| Official Name: | Comet, Ohio |
| Settlement Type: | Unincorporated community |
| Mapsize: | 250px |
| Pushpin Map: | Ohio |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Ohio |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Jackson |
| Unit Pref: | Imperial |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Footnotes: | [1] |
| Elevation M: | 226 |
| Elevation Ft: | 741 |
| Coordinates: | 39.1158°N -82.5511°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 45692 |
| Area Code: | 740 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1048619 |
Comet is an unincorporated community in Washington Township, Jackson County, Ohio, United States. It is located at 39.1158°N -82.5511°W, on the western edge of Wellston.[2]
Comet was originally founded along the Ohio Southern Railroad as a company town for the Comet Coal Company, operating the Comet mine nearby. As of 1895, there were 60 miners and 24 day-laborers employed at the mine.[3]