| Official Name: | Rathgama |
| Other Name: | Rajgama |
| Pushpin Map: | Sri Lanka |
| Pushpin Label Position: | above |
| Pushpin Mapsize: | 250 |
| Pushpin Map Caption: | Location in Sri Lanka |
| Subdivision Type: | Country |
| Subdivision Name: | Sri Lanka |
| Subdivision Name1: | Southern Province |
| Subdivision Type2: | District |
| Subdivision Name2: | Galle District |
| Unit Pref: | Imperial |
| Timezone: | Sri Lanka Standard Time |
| Utc Offset: | +5:30 |
| Coordinates: | 6.0917°N 80.1417°W |
| Postal Code: | GL80260 |
Rathgama is a small coastal town situated in Galle District, Southern Province of Sri Lanka.
The village is also known 'Rajgama', which means kings village. The village was gifted by Parākramabāhu II to Minister Devapathiraja for his loyalty in the 12th century during the Dambadenyia period.