| Image Coa: | DEU Kleinsteinhausen COA.svg |
| Coordinates: | 49.1992°N 7.4725°W |
| Image Plan: | Kleinsteinhausen in PS.svg |
| State: | Rheinland-Pfalz |
| District: | Südwestpfalz |
| Verbandsgemeinde: | Zweibrücken-Land |
| Elevation: | 320 |
| Area: | 5.73 |
| Postal Code: | 66484 |
| Area Code: | 06339 |
| Licence: | PS |
| Gemeindeschlüssel: | 07 3 40 214 |
| Website: | www.kleinsteinhausen.de |
| Mayor: | Martine Beate Wagner[1] |
| Leader Term: | 2019 - 24 |
Kleinsteinhausen is a municipality in Südwestpfalz district, in Rhineland-Palatinate, western Germany.