| Official Name: | Kilbourne, Ohio |
| Settlement Type: | Census-designated place |
| Mapsize: | 250px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Ohio |
| Subdivision Type2: | County |
| Subdivision Name2: | Delaware |
| Subdivision Type3: | Township |
| Subdivision Name3: | Brown |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 1.16 |
| Area Land Km2: | 1.16 |
| Area Water Km2: | 0.00 |
| Area Total Sq Mi: | 0.45 |
| Area Land Sq Mi: | 0.45 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Total: | 127 |
| Population Density Km2: | 109.17 |
| Population Density Sq Mi: | 282.85 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 919 |
| Coordinates: | 40.3322°N -82.9592°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 43032 |
| Area Code: | 740, 220 |
| Blank Name: | FIPS code |
| Blank Info: | 39-40124[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2628909 |
Kilbourne is a census-designated place in eastern Brown Township, Delaware County, Ohio, United States. As of the 2020 census it had a population of 127. The community has a post office with the ZIP code of 43032.[3] It lies along State Route 521.
Kilbourne was originally called Eden.[4] A post office called Kilbourne was in operation since 1837 but was closed in 2017.[5] The community has the name of James Kilbourne, surveyor.[6]