| Official Name: | Guidouma |
| Pushpin Map: | Gabon |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Gabon |
| Subdivision Type: | Country |
| Subdivision Name: |  Gabon |
| Subdivision Name1: | Ngounié Province |
| Subdivision Type2: | Department |
| Subdivision Name2: | Tsamba-Magotsi Department |
| Unit Pref: | Imperial |
| Coordinates: | -1.6167°N 51°W |
Guidouma is a small town in Tsamba-Magotsi Department of Ngounié Province, in western Gabon.
It lies on the N1 road.