Tongnan, Chongqing
Tongnan 
    潼南区  | |
|---|---|
Location of Tongnan in Chongqing  | |
| Coordinates: 30°11′29″N 105°50′17″E / 30.191283°N 105.838165°E | |
| Country | People's Republic of China | 
| Municipality | Chongqing | 
| Area | |
 • Total  | 1,585 km2 (612 sq mi) | 
| Population  (2010)  | |
 • Total  | 640,000 | 
| • Density | 400/km2 (1,000/sq mi) | 
| Time zone | UTC+8 (China Standard) | 
Tongnan District (simplified Chinese: 潼南区; traditional Chinese: 潼南區; pinyin: Tóngnán Qū) is a district of Chongqing Municipality, China, bordering Sichuan province to the north and west.