This is a list of hospitals in Ohio (U.S. state), sorted by name.
| Access Hospital Dayton | Dayton | Montgomery | 110 | x | 2011 | – | |
| Adams County Regional Medical Center | Seaman | Adams | 25 | x | 1948 | Adams County Hospital | |
| Adena Fayette Medical Center | Washington Court House | Fayette | 25[2] | x | 1950 | Fayette County Memorial Hospital | |
| Adena Pike Medical Center | Waverly | Pike | 25 | x | 1958 | Pike Community Hospital | |
| Adena Regional Medical Center | Chillicothe | Ross | 266 | x | 1895 | Chillicothe Hospital | |
| Akron Children's Hospital | Akron | Summit | 289 | Level I | 1890 | Akron Day Nursery | |
| Ashtabula County Medical Center (Cleveland Clinic affiliate) | Ashtabula | Ashtabula | 234 | x | 1904 | Ashtabula General Hospital | |
| ACMC Healthcare System Glenbeigh (Cleveland Clinic affiliate) | Rock Creek | Ashtabula | x | 1981 | Glenbeigh Hospital | ||
| Aultman Alliance Community Hospital | Alliance | Stark | 202 | x | 1901 | Deaconess Home | |
| Aultman Hospital | Canton | Stark | 1032 | Level II | 1892 | – | |
| Aultman Orrville Hospital | Orrville | Wayne | 25 | x | 1951 | Dunlap Memorial Hospital | |
| Avita Health System Bucyrus Hospital | Bucyrus | Crawford | 20 | x | 1932 | Bucyrus Community Hospital | |
| Avita Health System Galion Hospital | Galion | Crawford | 16 | x | 1913 | Galion Community Hospital | |
| Avita Health System Ontario Hospital | Ontario | Richland | 26 | x | 2017 | – | |
| The Bellevue Hospital | Bellevue | Sandusky | 50 | x | 1917 | Bellevue Hospital | |
| Blanchard Valley Health System Bluffton Hospital | Bluffton | Allen | 25 | x | 1908 | Bluffton Sanatorium | |
| Blanchard Valley Health System Blanchard Valley Hospital | Findlay | Hancock | 150 | Level III | 1891 | Findlay Home for Friendless Women and Children | |
| Chillicothe VA Medical Center | Chillicothe | Ross | 295 | x | 1924 | Veterans' Bureau | |
| The Christ Hospital | Cincinnati | Hamilton | 555 | x | 1889 | ||
| Cincinnati Children's Hospital Medical Center | Cincinnati | Hamilton | 634 | Level I | 1883 | ||
| Cincinnati VA Medical Center | Cincinnati | Hamilton | 463 | x | 1924 | ||
| Cleveland Clinic | Cleveland | Cuyahoga | 1290[3] | x | 1921 | – | |
| Cleveland Clinic Akron General | Akron | Summit | 485 | Level I | 1915 | Peoples Hospital | |
| Cleveland Clinic Akron General Lodi Hospital | Lodi | Medina | 20 | x | 1920 | Lodi Sanitarium | |
| Cleveland Clinic Avon Hospital | Avon | Lorain | 126 | x | 2016 | – | |
| Cleveland Clinic Children's Hospital for Rehabilitation | Cleveland | Cuyahoga | 25 | x | 1889 | Fresh Air Camp | |
| Cleveland Clinic Euclid Hospital | Euclid | Cuyahoga | 166 | x | 1907 | Parkwood Hospital | |
| Cleveland Clinic Fairview Hospital | Cleveland | Cuyahoga | 498 | Level II | 1892 | German Hospital | |
| Cleveland Clinic Hillcrest Hospital | Mayfield Heights | Cuyahoga | 462 | Level II | 1968 | Doctors Hospital | |
| Cleveland Clinic Lutheran Hospital | Cleveland | Cuyahoga | 192 | x | 1896 | Lutheran Hospital | |
| Cleveland Clinic Marymount Hospital | Garfield Heights | Cuyahoga | 263 | x | 1949 | Marymount Hospital | |
| Cleveland Clinic Medina Hospital | Medina | Medina | 148 | x | 1944 | Medina Hospital | |
| Cleveland Clinic Mentor Hospital (Hillcrest) | Mentor | Lake | 34 | x | 2023 | – | |
| Cleveland Clinic Mercy Hospital | Canton | Stark | 323 | Level II | 1908 | Mercy Hospital | |
| Cleveland Clinic South Pointe Hospital | Warrensville Heights | Cuyahoga | 172 | x | 1957 | Suburban Community Hospital & Brentwood Hospital | |
| Cleveland Clinic Union Hospital | Dover | Tuscarawas | 96 | x | 1906 | Tuscarawas Hospital | |
| Clinton Memorial Hospital | Wilmington | Clinton | 141 | x | 1951 | ||
| Community Memorial Hospital | Hicksville | Defiance | x | 1917 | |||
| Coshocton Regional Medical Center | Coshocton | Coshocton | 56 | x | 1909 | Keenan Private Hospital | |
| Crystal Clinic Orthopedic Center | Fairlawn | Summit | 60 | x | 2021 | – | |
| Dayton Children's Hospital | Dayton | Montgomery | 181 | Level I | 1967 | Barney Children's Medical Center | |
| Dayton VA Medical Center | Dayton | Montgomery | 356 | x | 1867 | National Home for Disabled Volunteer Soldiers, Dayton | |
| Diley Ridge Medical Center | Canal Winchester | Fairfield | 10 | x | 2010 | – | |
| East Liverpool City Hospital | East Liverpool | Columbiana | 130 | x | 1905 | – | |
| East Ohio Regional Hospital | Martins Ferry | Belmont | 140 | x | 1906 | Martins Ferry Hospital | |
| Fairfield Medical Center | Lancaster | Fairfield | 222 | x | 1916 | Lancaster Municipal Hospital | |
| Firelands Regional Medical Center | Sandusky | Erie | 287 | Level III | 1876 | Good Samaritan Hospital | |
| Firelands Regional Medical Center South Campus | Sandusky | Erie | x | 1902 | Providence Hospital | ||
| Fisher-Titus Medical Center | Norwalk | Huron | 99 | Level III | 1957 | Norwalk Memorial Hospital | |
| Fulton County Health Center | Wauseon | Fulton | 106 | x | 1903 | Detwiler Memorial Hospital | |
| Genesis Hospital | Zanesville | Muskingum | 260 | Level III | 1891 | Zanesville City Hospital | |
| Georgetown Behavioral Hospital | Georgetown | Brown | 118 | x | 2014 | – | |
| Grand Lake Joint Township District Memorial Hospital | St. Marys | Auglaize | 140 | x | 1953 | Joint Township District Memorial Hospital | |
| Henry County Hospital | Napoleon | Henry | 25 | x | 1919 | – | |
| Highland District Hospital | Hillsboro | Highland | 25 | x | 1914 | ||
| Hocking Valley Community Hospital (Ohio State affiliate) | Logan | Hocking | 35 | x | 1906 | Cherrington Hospital | |
| Holzer Gallipolis | Gallipolis | Gallia | 266 | x | 1910 | Holzer Hospital | |
| Holzer Medical Center – Jackson | Jackson | Jackson | 269 | x | 1972 | ||
| Institute for Orthopaedic Surgery | Lima | Allen | 12 | x | 1998 | – | |
| Kettering Health Behavioral Medical Center | Miami Township | Montgomery | 14 | x | 2019 | – | |
| Kettering Health Dayton | Dayton | Montgomery | 344 | Level III | 1926 | Dayton Osteopathic Hospital | |
| Kettering Health Greene Memorial | Xenia | Greene | 49 | x | 1951 | Greene Memorial Hospital | |
| Kettering Health Hamilton | Hamilton | Butler | 310 | x | 1929 | Fort Hamilton Hospital | |
| Kettering Health Main Campus | Dayton | Montgomery | 494 | Level II | 1964 | Kettering Memorial Hospital | |
| Kettering Health Miamisburg | Miamisburg | Montgomery | 202 | x | 1978 | Sycamore Medical Center | |
| Kettering Health Preble | Eaton | Preble | x | 2003 | |||
| Kettering Health – Soin Medical Center | Beavercreek | Greene | 157 | Level III | 2012 | – | |
| Kettering Health Springfield | Springfield | Clark | x | 2022 | – | ||
| Kettering Health Troy | Troy | Miami | 28 | x | 2020 | – | |
| Kettering Health Washington Township | Washington Township | Montgomery | 129 | x | 1978 | Southview Medical Center | |
| Kindred Hospital Dayton | Dayton | Montgomery | 97 | x | 2004 | Good Samaritan Hospital | |
| Kindred Hospital Lima | Lima | Allen | 26 | x | 2004 | SCCI Hospital Lima | |
| King's Daughters Medical Center Ohio | Portsmouth | Scioto | 10 | x | 2013 | – | |
| Knox Community Hospital | Mount Vernon | Knox | 99 | x | 1908 | Martin Memorial Hospital | |
| Licking Memorial Hospital | Newark | Licking | 227 | x | 1898 | Newark Hospital | |
| Lima Memorial Hospital | Lima | Allen | 127 | Level II | 1899 | Lima City Hospital | |
| Louis Stokes Cleveland VA Medical Center | Cleveland | Cuyahoga | 673 | x | 1939 | Brecksville VA / Crille Hospital | |
| Madison Health (Ohio State affiliate) | London | Madison | 45 | x | 1962 | ||
| Magruder Hospital | Port Clinton | Ottawa | 25 | x | 1940 | Magruder Memorial Hospital | |
| Mary Rutan Hospital | Bellefontaine | Logan | 39 | x | 1919 | – | |
| Mercer County Community Hospital | Coldwater | Mercer | 88 | x | 1950 | Our Lady of Mercy Hospital | |
| Mercy Health Allen Hospital | Oberlin | Lorain | 25 | x | 1907 | ||
| Mercy Health Anderson Hospital | Anderson Township | Hamilton | 226 | x | 1984 | Our Lady of Mercy Hospital - Anderson | |
| Mercy Health Clermont Hospital | Batavia | Clermont | 177 | x | 1973 | Clermont County Hospital | |
| Mercy Health Defiance Hospital | Defiance | Defiance | 23 | x | 2004 | ||
| Mercy Health Fairfield Hospital | Fairfield | Butler | 236 | x | 1978 | ||
| Mercy Health Kings Mills Hospital | Kings Mills | Warren | 60 | x | 2024 | – | |
| Mercy Health Lorain Hospital | Lorain | Lorain | 338 | Level III | Community Regional Medical Center | ||
| Mercy Health Perrysburg Hospital | Perrysburg | Wood | 46 | x | 2019 | – | |
| Mercy Health St. Anne Hospital | Toledo | Lucas | 128 | x | 2002 | – | |
| Mercy Health - St. Charles Hospital | Mercy Health St. Charles Hospital | Oregon | Lucas | 410 | Level III | 1953 | St. Charles Hospital |
| Mercy Health St. Elizabeth Boardman Hospital | Boardman | Mahoning | 224 | x | 2007 | ||
| Mercy Health St. Elizabeth Youngstown Hospital | Youngstown | Mahoning | 409 | Level I | 1911 | St. Elizabeth Hospital | |
| Mercy Health St. Joseph Warren Hospital | Warren | Trumbull | 219 | Level III | |||
| Mercy Health St. Rita's Medical Center | Lima | Allen | 425 | Level II | 1918 | St. Rita's Hospital | |
| Mercy Health St. Vincent Medical Center | Toledo | Lucas | 568 | Level I (II peds) | 1855 | St. Vincent Hospital | |
| Mercy Health Springfield Regional Medical Center | Springfield | Clark | 254 | x | 2011 | ||
| Mercy Health – The Jewish Hospital | Cincinnati | Hamilton | 209 | x | 1847 | The Jewish Hospital | |
| Mercy Health Tiffin Hospital | Tiffin | Seneca | 120 | x | 1913 | Mercy Hospital | |
| Mercy Health Urbana Hospital | Urbana | Champaign | 25 | x | 1951 | Mercy Memorial Hospital | |
| Mercy Health West Hospital | Cincinnati | Hamilton | 222 | x | 2013 | ||
| Mercy Hospital of Willard | Mercy Health Willard Hospital | Willard | Huron | 20 | x | 2012 | |
| Memorial Health System Marietta Memorial Hospital | Marietta | Washington | 200 | Level III | 1929 | Marietta Memorial Hospital | |
| Memorial Health System Selby General Hospital | Marietta | Washington | 35 | x | 1927 | Marietta Osteopathic Clinic | |
| Memorial Hospital | Marysville | Union | 51 | x | 1952 | – | |
| MetroHealth Cleveland Heights Medical Center | Cleveland Heights | Cuyahoga | 12 | x | 2018 | – | |
| MetroHealth Main Campus Medical Center | Cleveland | Cuyahoga | 731 | Level I (II peds) | 1837 | City Hospital | |
| MetroHealth Parma Medical Center | Parma | Cuyahoga | 16 | Level III | 2018 | – | |
| Morrow County Hospital | Mt. Gilead | Morrow | 25 | x | 1952 | – | |
| Mount Carmel East | Columbus | Franklin | 419 | Level II | 1972 | – | |
| Mount Carmel Grove City | Grove City | Franklin | 67 | x | 2019 | – | |
| Mount Carmel New Albany | New Albany | Franklin | 60 | x | 2003 | – | |
| Mount Carmel St. Ann's | Westerville | Franklin | 281 | x | 1908 | St. Ann's Infant Asylum | |
| Nationwide Children's Hospital | Columbus | Franklin | 673 | Level I | 1892 | Children's Hospital of Columbus | |
| Ohio State East Hospital | Columbus | Franklin | 190 | Level III | 1890 | St. Anthony's Hospital | |
| Ohio State Harding Hospital | Columbus | Franklin | 84 | x | 1916 | Columbus Rural Rest Home | |
| Ohio State University Wexner Medical Center | Columbus | Franklin | 900 | Level I | 1846 | St. Francis Hospital | |
| Ohio Valley Surgical Hospital | Springfield | Clark | 24 | x | 2009 | – | |
| OhioHealth Arthur G.H. Bing, MD, Cancer Center | Columbus | Franklin | 23 | x | 2012 | – | |
| OhioHealth Berger Hospital | Circleville | Pickaway | 83 | x | 1930 | Berger Hospital | |
| OhioHealth Doctors Hospital | Columbus | Franklin | 213 | x | 1940 | Doctors Hospital | |
| OhioHealth Dublin Methodist Hospital | Dublin | Franklin | 107 | x | 2008 | – | |
| OhioHealth Grady Memorial Hospital | Delaware | Delaware | 63 | x | 1904 | Delaware County Hospital | |
| OhioHealth Grant Medical Center | Columbus | Franklin | 449 | Level I | 1900 | Grant Hospital | |
| OhioHealth Grove City Methodist Hospital | Grove City | Franklin | 26 | x | 2018 | – | |
| OhioHealth Hardin Memorial Hospital | Kenton | Hardin | 25 | x | McKitrick Hospital | ||
| OhioHealth Mansfield Hospital | Mansfield | Richland | 326 | Level II | 1918 | Mansfield Hospital | |
| OhioHealth Marion General Hospital | Marion | Marion | 250 | x | 1896 | Marion Hospital | |
| OhioHealth Nelsonville Health Center | Nelsonville | Athens | 25 | x | 1950 | Mount St. Mary Hospital | |
| OhioHealth O'Bleness Hospital | Athens | Athens | 144 | x | 1921 | Sheltering Arms Hospital | |
| OhioHealth Pickerington Methodist Hospital | Pickerington | Fairfield | 96 | x | 2015 | – | |
| OhioHealth Riverside Methodist Hospital | Columbus | Franklin | 1059 | Level II | 1892 | Protestant Hospital | |
| OhioHealth Shelby Hospital | Shelby | Richland | 25 | x | 1921 | Shelby Memorial Hospital | |
| OhioHealth Southeastern Medical Center | Cambridge | Guernsey | 84 | x | 1952 | Guernsey Memorial Hospital | |
| OhioHealth Van Wert Hospital | Van Wert | Van Wert | 34 | x | 1904 | Van Wert County Hospital | |
| Parkview Health Bryan Hospital | Bryan | Williams | 113 | x | |||
| Parkview Health Montpelier Hospital | Montpelier | Williams | 25 | x | |||
| Paulding County Hospital | Paulding | Paulding | 25 | x | 1941 | – | |
| ProMedica Bay Park Hospital | Oregon | Lucas | 72 | x | 2001 | – | |
| Defiance | Defiance | 35 | Level III | 2002 | – | ||
| ProMedica Flower Hospital | Sylvania | Lucas | 315 | x | 1910 | Flower Hospital | |
| ProMedica Fostoria Community Hospital | Fostoria | Hancock | 25 | x | 1930 | Fostoria City Hospital | |
| ProMedica Memorial Hospital | Fremont | Sandusky | 43 | x | 1918 | Memorial Hospital | |
| ProMedica Toledo Hospital | Toledo | Lucas | 794 | Level I (II peds) | 1874 | Toledo Hospital | |
| Pomerene Hospital | Millersburg | Holmes | 55 | x | 1937 | Holmes County Joel Pomerene Memorial Hospital | |
| Premier Health Atrium Medical Center | Middletown | Warren | 324 | Level III | 1917 | Middletown Hospital | |
| Premier Health Miami Valley Hospital | Dayton | Montgomery | 970 | Level I | 1890 | Protestant Deaconess Hospital | |
| Premier Health Miami Valley Hospital North | Englewood | Montgomery | x | 1995 | Samaritan North Health Center | ||
| Premier Health Miami Valley Hospital South | Centerville | Montgomery | 60 | Level III | 2007 | – | |
| Premier Health Upper Valley Medical Center | Troy | Miami | 182 | Level III | 1998 | Upper Valley Medical Center | |
| Regency North Central Ohio - Cleveland East (Select Medical) | Warrensville Heights | Cuyahoga | 44 | x | 2007 | Regency Hospital Cleveland East | |
| Regency North Central Ohio - Cleveland West (Select Medical) | Middleburg Heights | Cuyahoga | 43 | x | 2007 | Regency Hospital Cleveland West | |
| Regency Oregon (Select Medical) | Oregon | Lucas | 31 | x | 2023 | ||
| Regency Toledo (Select Medical) | Toledo | Lucas | 45 | x | 2007 | Regency Hospital Toledo | |
| Riverview Health Institute | Dayton | Montgomery | x | 2004 | – | ||
| St. Mary's Medical Center, Ironton Campus | Ironton | Lawrence | x | 2012 | – | ||
| Salem Regional Medical Center | Salem | Columbiana | 150 | x | 1913 | Salem City Hospital | |
| Shriners Children's Ohio | Dayton | Montgomery | 7 | x | 1968 | Cincinnati Shriners Hospital | |
| Southwest General Health Center (University Hospitals affiliate) | Middleburg Heights | Cuyahoga | 354 | Level III | 1920 | Sprague Haven | |
| Select Medical Cleveland Clinic Rehabilitation Hospital, Avon | Avon | Lorain | 60 | x | 2015 | – | |
| Select Medical Cleveland Clinic Rehabilitation Hospital, Beachwood | Beachwood | Cuyahoga | 60 | x | 2017 | – | |
| Select Medical Cleveland Clinic Rehabilitation Hospital, Edwin Shaw | Copley Township | Summit | 60 | x | 2017 | – | |
| Select Medical OhioHealth Rehabilitation Hospital | Columbus | Franklin | 74 | x | 2013 | – | |
| Select Medical OhioHealth Rehabilitation Hospital - Dublin | Dublin | Franklin | 12 | x | 2021 | – | |
| Select Medical Specialty Hospital - Akron | Akron | Summit | 60 | x | |||
| Select Medical Specialty Hospital - Boardman, Inc | Youngstown | Mahoning | 45 | x | |||
| Select Medical Specialty Hospital - Canton | Canton | Stark | 30 | x | |||
| Select Medical Specialty Hospital - Cincinnati | Cincinnati | Hamilton | 30 | x | |||
| Select Medical Specialty Hospital - Cincinnati North | Cincinnati | Hamilton | 41 | x | |||
| Select Medical Specialty Hospital - Cleveland-Fairhill | Cleveland | Cuyahoga | 68 | x | |||
| Select Medical Specialty Hospital - Columbus | Columbus | Franklin | 162 | x | 2006 | ||
| Select Medical Specialty Hospital - Columbus South | Columbus | Franklin | 43 | x | |||
| Select Medical Specialty Hospital - Southeast Ohio | Newark | Licking | 35 | x | |||
| Select Medical Specialty Hospital - Trumbull | Warren | Trumbull | 34 | x | |||
| Select Medical Specialty Hospital - Youngstown | Youngstown | Mahoning | 31 | x | |||
| Select Medical TriHealth Rehabilitation Hospital | Cincinnati | Hamilton | 60 | x | 2016 | – | |
| Southern Ohio Medical Center | Portsmouth | Scioto | 211 | x | 1954 | – | |
| Summa Health Akron Campus | Akron | Summit | 1049[4] | Level I | 1892 | City Hospital | |
| Summa Health Barberton Campus | Barberton | Summit | 271 | x | 1915 | Barberton Citizens Hospital | |
| Summa Health Wadsworth - Rittman Medical Center | Wadsworth | Medina | 113 | x | 2013 | Wadsworth-Rittman Hospital | |
| The Surgical Hospital at Southwoods | Boardman | Mahoning | 36 | x | 1996 | ||
| TriHealth Bethesda Butler Hospital | Hamilton | Butler | 48 | x | |||
| TriHealth Bethesda North Hospital | Montgomery | Hamilton | 397 | Level III | 1970 | Bethesda North Hospital | |
| TriHealth McCullough-Hyde Memorial Hospital | Oxford | Butler | 32 | x | 1957 | McCullough-Hyde Memorial Hospital | |
| TriHealth Good Samaritan Hospital | Cincinnati | Hamilton | 425 | x | 1852 | St. John's Hotel for Invalids | |
| Trinity Health System East Campus | Steubenville | Jefferson | 270 | x | 1912 | Ohio Valley Hospital | |
| Trinity Health System West Campus | Steubenville | Jefferson | x | ||||
| Trinity Health System Twin City Medical Center | Dennison | Tuscarawas | 25 | x | 1912 | Twin City Hospital | |
| Trumbull Regional Medical Center | Warren | Trumbull | 346 | Level III | 1907 | Trumbull Memorial Hospital | |
| UC Medical Center | Cincinnati | Hamilton | 724 | Level I | 1821 | ||
| UC West Chester Hospital | West Chester | Butler | 160 | Level III | 2009 | ||
| University Hospitals Ahuja Medical Center | Beachwood | Cuyahoga | 193 | x | 2011 | – | |
| University Hospitals Beachwood Medical Center | Beachwood | Cuyahoga | 24 | x | 2019 | LakeHealth Beachwood Medical Center | |
| University Hospitals Cleveland Medical Center | Cleveland | Cuyahoga | 1032 | Level I | 1866 | Wilson Street Hospital | |
| University Hospitals Conneaut Medical Center | Conneaut | Ashtabula | 25 | x | 1922 | Brown Memorial Hospital | |
| University Hospitals Elyria Medical Center | Elyria | Lorain | 387 | Level III | 1908 | Elyria Memorial Hospital | |
| University Hospitals Geauga Medical Center | Chardon | Geauga | 226 | Level III | 1925 | Corey Hospital | |
| University Hospitals Geneva Medical Center | Geneva | Ashtabula | 25 | x | 1906 | Memorial Hospital | |
| University Hospitals Lake West Medical Center | Willoughby | Lake | 237 | Level III | 1961 | Lake County Memorial Hospital - West | |
| University Hospitals Parma Medical Center | Parma | Cuyahoga | 332 | Level III | 1961 | Parma Community General Hospital | |
| University Hospitals Portage Medical Center | Ravenna | Portage | 302 | Level III | 1894 | White Hospital | |
| University Hospitals St. John Medical Center | Westlake | Cuyahoga | 204 | Level III | 1890 | St. John of God Hospital | |
| University Hospitals Samaritan Medical Center | Ashland | Ashland | 55 | x | 1912 | Samaritan Hospital | |
| University Hospitals TriPoint Medical Center | Concord Township | Lake | 144 | x | 2009 | LakeHealth TriPoint Medical Center | |
| The University of Toledo Medical Center | Toledo | Lucas | 267 | Level II | 1964 | ||
| Wayne HealthCare Main Campus | Greenville | Darke | 92 | x | 1922 | Wayne Hospital | |
| Western Reserve Hospital (University Hospitals affiliate) | Cuyahoga Falls | Summit | 89 | Level III | 1943 | Green Cross Hospital | |
| Wilson Health | Sidney | Shelby | 44 | x | 1930 | Wilson Memorial Hospital | |
| Wood County Hospital | Bowling Green | Wood | 196 | x | 1951 | – | |
| The Woods at Parkside | Gahanna | Franklin | 50 | x | |||
| Wooster Community Hospital | Wooster | Wayne | 173 | x | 1950 | ||
| Wright-Patterson Medical Center | Dayton | Montgomery | 300 | x | 1956 | ||
| WVUMedicine Barnesville Hospital | Barnesville | Belmont | 25 | x | 1928 | Barnesville Hospital | |
| WVUMedicine Harrison Community Hospital | Cadiz | Harrison | 25 | x | 1970 | Harrison Community Hospital | |
| Wyandot Memorial Hospital | Upper Sandusky | Wyandot | 42 | x | 1950 | – | |
Healthcare providers with two or more hospital campuses:
| Mercy Health | 21 | 23[5] | 1986 | The Jewish Hospital | 1847 | |
| Select Medical | 17 | 144[6] | 1996 | |||
| OhioHealth | 17 | 1984 | Riverside Methodist Hospital | 1892 | ||
| Cleveland Clinic Foundation | 15 | 22[7] | 1921 | Children's Hospital for Rehabilitation | 1889 | |
| University Hospitals Health System | 13 | 1940 | Wilson Street Hospital | 1866 | ||
| Kettering Health | 11 | 1999 | Dayton | 1926 | ||
| ProMedica | 6 | 11[8] | 1986 | Toledo Hospital | 1874 | |
| Veterans Health Administration | 5 | 172[9] | 1865 | Togus VA Medical Center (ME) | 1866 | |
| Premier Health | 5 | 1995 | Miami Valley Hospital | 1890 | ||
| Mount Carmel Health System | 4 | 1984 | Grove City | 1886 | ||
| TriHealth | 4 | 1995 | Good Samaritan Hospital | 1852 | ||
| Adena Health System | 3 | 1997 | Regional Medical Center | 1895 | ||
| Aultman | 3 | 1892 | Aultman Hospital | 1892 | ||
| Avita Health System | 3 | 2011 | Galion Hospital | 1913 | ||
| Ohio State Health System | 3 | 1999 | Wexner Medical Center | 1846 | ||
| Summa Health | 3 | 1989 | Akron Campus | 1892 | ||
| The MetroHealth System | 3 | 1958 | Main Campus Medical Center | 1837 | ||
| Trinity Health System | 3 | |||||
| ACMC Healthcare System | 2 | Ashtabula County Medical Center | 1904 | |||
| Kindred Healthcare (ScionHealth) | 2 | 60[10] | 1985 | |||
| WVUMedicine | 2 | 23[11] | 1984 | J.W. Ruby Memorial Hospital (WV) | 1960 | |
| Blanchard Valley Health System | 2 | 1995 | Bluffton Hospital | 1908 | ||
| Firelands Regional Medical Center | 2 | 1876 | Firelands Regional Medical Center | 1876 | ||
| Holzer Health System | 2 | 1949 | Holzer Gallipolis | 1910 | ||
| Memorial Health System | 2 | 2014 | Marietta Memorial Hospital | 1929 | ||
| Parkview Health | 2 | 1995 | ||||
| Regency Hospital Company | 2 | Regency Toledo (Select Medical) | 2007 | |||
| UC Health | 2 | 2009 | UC Medical Center | 1821 | ||
| UK Healthcare | 1 | 2 | King's Daughters Medical Center Ohio | 2013 | ||
| St. Mary's Medical Center | 1 | 2 | St. Mary's Medical Center, Ironton Campus | 2012 | ||
As of 2024, the following Ohio counties do not have a hospital or inpatient hospital services: Carroll, Meigs, Monroe, Morgan, Noble, Perry, Putnam, Vinton.