| Jianshan | |
| Settlement Type: | District |
| Image Map1: | Location of Shuangyashan Prefecture within Heilongjiang (China).png |
| Map Caption1: | Location of Shuangyashan City in Heilongjiang |
| Coordinates: | 46.6464°N 131.1586°W |
| Subdivision Type: | Country |
| Subdivision Name: | China |
| Subdivision Type1: | Province |
| Subdivision Name1: | Heilongjiang |
| Subdivision Type2: | Prefecture-level city |
| Subdivision Name2: | Shuangyashan |
| Seat Type: | District seat |
| Seat: | Tiexi Subdistrict |
| Unit Pref: | Metric |
| Area Total Km2: | 118 |
| Population Footnotes: | [1] |
| Population Total: | 262359 |
| Population As Of: | 2020 census |
| Population Density Km2: | auto |
| Timezone1: | China Standard |
| Utc Offset1: | +8 |
Jianshan District is a district and the seat of the city of Shuangyashan, Heilongjiang province, China.
Jianshan District is divided into 7 subdistricts and 1 township.[2]