| Official Name: | Ain Thrid |
| Settlement Type: | Commune and town |
| Pushpin Label Position: | bottom |
| Subdivision Type: | Country |
| Subdivision Name: |  Algeria |
| Subdivision Name1: | Sidi Bel Abbès Province |
| Subdivision Type2: | District |
| Unit Pref: | Imperial |
| Population As Of: | 1998 |
| Utc Offset: | +1 |
Ain Thrid is a town and commune in Sidi Bel Abbès Province in northwestern Algeria.[1]
Lake Sidi Mohamed Benali is located within the territory of the municipality.