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|   An elderly Adi woman from Arunachal Pradesh singing a folk song | |
| Regions with significant populations | |
|---|---|
|  India | N/A | 
| Arunachal Pradesh | N/A | 
|  China | N/A | 
| Tibet Autonomous Region | N/A | 
| Languages | |
| Tani | |
| Religion | |
| Majority: Donyi-Polo Minority: Christianity, Buddhism | |
| Related ethnic groups | |
| Tani people, Lhoba people | |
The Adi people are one of the most populous groups of indigenous peoples in the Indian state of Arunachal Pradesh.