| Settlement Type: | Town |
| Pushpin Map: | China Tibet |
| Pushpin Label: | Pai (Pei) |
| Pushpin Map Caption: | Location of the seat in the Tibet Autonomous Region |
| Subdivision Type: | Country |
| Subdivision Name: | People's Republic of China |
| Subdivision Type1: | Autonomous region |
| Subdivision Name1: | Tibet |
| Subdivision Type2: | Prefecture-level city |
| Subdivision Name2: | Nyingchi |
| Subdivision Type3: | County |
| Subdivision Name3: | Mainling County |
| Area Total Km2: | 1800 |
| Population As Of: | 2000 |
| Population Total: | 1771 |
| Population Density Km2: | auto |
| Timezone: | China Standard |
| Utc Offset: | +8 |
| Coordinates: | 29.5081°N 94.8081°W |
Pei is a town in Mainling County, Tibet Autonomous Region. The town is situated on the only road from Mainling to Mêdog, near the entrance to the Yarlung Tsangpo Grand Canyon. The population was 1,771 (2000).