| Image Coa: | Wappen Frommenhausen.png |
| Coordinates: | 48.4306°N 8.8742°W |
| State: | Baden-Württemberg |
| Region: | Tübingen |
| District: | Tübingen |
| Town: | Rottenburg am Neckar |
| Elevation: | 369-493 |
| Area: | 3.62 |
| Population: | 482 |
| Population As Of: | 2018 |
| Pop Ref: | [1] |
| Postal Code: | 72108 |
| Area Code: | (+49) 07472 |
| Licence: | TÜ |
| Website: | www.rottenburg.de |
| Mayor: | Kurt Hallmayer |
| Bürgermeistertitel: | Ortsvorsteher |
Frommenhausen is a suburban district of Rottenburg am Neckar in the administrative district of Tübingen in Baden-Württemberg (Germany).
Frommenhausen is located 9 km (5.59 mi) southwestern from Rottenburg am Neckar on the Gäu-Plateau with an elevation from 369 to 493 m.
The area of the district is 362 hectares. Thereof fall 73.4% upon agriculturally used area, 14.7% upon forest area, 9.4% upon settlement area and roads, and 1.9% upon other.
The territories of the following villages adjoin to Frommenhausen, they are called clockwise beginning in the north: Schwalldorf, Hirrlingen and Wachendorf.All villages are in the admin. district of Tübingen.
The village has a population of 467 people(31/01/08). So it is the smallest district of Rottenburg. At an area of 3.62 km2 (2.2 sq mi) this corresponds to a population density of 129 people per km2, or 334 per sq mi.
Most of the population is Roman Catholic.