| Mashan-District | |
| Settlement Type: | District |
| Mapsize: | 220px |
| Image Map1: | Location of Jixi Prefecture within Heilongjiang (China).png |
| Map Caption1: | Jixi in Heilongjiang |
| Coordinates: | 45.2122°N 130.4781°W |
| Subdivision Type: | Country |
| Subdivision Name: | People's Republic of China |
| Subdivision Type1: | Province |
| Subdivision Name1: | Heilongjiang |
| Subdivision Type2: | Prefecture-level city |
| Subdivision Name2: | Jixi |
| Subdivision Type3: | Subdivisions |
| Seat Type: | District seat |
| Seat: | No.80, Zhongxin Street (Chinese: 中心街80号) |
| Area Total Km2: | 425 |
| Elevation M: | 309 |
| Population Total: | 38000 |
| Population As Of: | 2014 |
| Population Density Km2: | auto |
| Postal Code: | 158100 |
| Timezone: | China Standard |
| Utc Offset: | +8 |
Mashan District is a district of the city of Jixi, Heilongjiang, People's Republic of China. It is under the administration of the Jixi city.
Mashan District is divided into 1 subdistrict and 1 town.[1]