| Official Name: | Loudima |
| Pushpin Map: | Republic of the Congo |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in the Republic of the Congo |
| Subdivision Type: | Country |
| Subdivision Name: | Republic of the Congo |
| Subdivision Name1: | Bouenza |
| Subdivision Type2: | District |
| Subdivision Name2: | Loudima |
| Unit Pref: | Imperial |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Coordinates: | -4.1122°N 13.06°W |
Loudima (can also be written as Ludima) is a town in the southern part of the Republic of Congo, in the Loudima District of the Bouenza Department. The town has about 20,000 inhabitants.
It is served by a station on the national railway system, and is to the east of the junction of the branch line to Mbinda.