| Subdivision Type: | Country |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Official Name: | Gerjen |
| Mapsize: | 275px |
| Subdivision Type1: | County |
| Subdivision Name1: | Tolna |
| Area Total Km2: | 36.28 |
| Population Total: | 1316 |
| Population As Of: | 2004 |
| Population Density Km2: | 36.27 |
| Postal Code Type: | Postal code |
| Postal Code: | 7134 |
| Area Code: | 75 |
| Pushpin Map: | Hungary |
| Pushpin Map Caption: | Location of Gerjen |
| Pushpin Mapsize: | 275px |
| Coordinates: | 46.4911°N 18.9028°W |
Gerjen is a village in Tolna County, Hungary.
The association football club, Gerjeni SK, is based in the town.