| Conventional Long Name: | Yanshan |
| Common Name: | Yanshan |
| Subdivision: | District |
| Nation: | the People's Republic of China |
| S1: | Fangshan District |
| Image Map Caption: | Location of Yanshan on Beijing. |
| Year Start: | 1980 |
| Year End: | 1986 |
| Today: | Fangshan District, Beijing |
Yanshan District is a former district of Beijing, located southwest of the city center, and was situated in the middle of Fangshan. It spanned an area of 37.8km2. It bordered Fangshan throughout on all four sides. It merged into the Fangshan in 1986.