| Official Name: | Mandjafa |
| Native Name: | مانجافا |
| Settlement Type: | Town |
| Pushpin Map: | Chad |
| Pushpin Label Position: | bottom |
| Subdivision Type: | Country |
| Subdivision Name: |  Chad |
| Subdivision Type1: | Region |
| Subdivision Name1: | Chari-Baguirmi Region |
| Unit Pref: | Imperial |
| Coordinates: | 11.1986°N 15.3611°W |
Mandjafa (ar|مانجافا) is a small town in Massenya, Chari-Baguirmi, southwestern Chad. Its post office opened in 1910.