| Election Name: | 2012 Ohio elections |
| Country: | Ohio |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 2010 Ohio elections |
| Previous Year: | 2010 |
| Election Date: | 2012 |
| Next Election: | 2014 Ohio elections |
| Next Year: | 2014 |
The 2012 Ohio elections were held on November 6, 2012 in the U.S. state of Ohio. Primary elections were held on March 6, 2012.
See main article: 2012 United States presidential election in Ohio. Voters chose 18 electors to represent them in the Electoral College.
See main article: 2012 United States Senate election in Ohio.
See main article: 2012 United States House of Representatives elections in Ohio.
|-! | | | Republican| 2010| Incumbent re-elected.| nowrap |
|-! | | | Republican| 2005 | | Incumbent lost renomination
New member elected.
Republican hold.| nowrap |
|-! | colspan=3 data-sort-value="ZZZ" |None | | New seat.
New member elected.
Democratic gain.| nowrap |
|-! | | | Republican| 2006| Incumbent re-elected.| nowrap |
|-! | | | Republican| 2007 | Incumbent re-elected.| nowrap |
|-! | | | Republican| 2010| Incumbent re-elected.| nowrap |
|-! | | | Republican| 2010| Incumbent re-elected.| nowrap |
|-! | | | Republican| 1990| Incumbent re-elected.| nowrap |
|-! rowspan=2 | | | | Democratic| 1982| Incumbent re-elected.| rowspan=2 nowrap | |-|
| | Democratic| 1996| | Incumbent lost renomination.
Democratic loss.
|-! rowspan=2 | | | | Republican| 2002| Incumbent re-elected.| rowspan=2 nowrap | |-|
| | Republican| 2008| | Incumbent retired.
Republican loss.
|-! | | | Democratic| 2008| Incumbent re-elected.| nowrap |
|-! | | | Republican| 2000| Incumbent re-elected.| nowrap |
|-! | | | Democratic| 2002| Incumbent re-elected.| nowrap |
|-! | | | Republican| 1994| | Incumbent retired.
New member elected.
Republican hold.| nowrap |
|-! | | | Republican| 2010| Incumbent re-elected.| nowrap |
|-! rowspan=2 | | | | Republican| 2010| Incumbent re-elected.| rowspan=2 nowrap | |-|
| | Democratic| 2006| | Incumbent lost re-election.
Democratic loss.
|}