| Benxi | |
| Official Name: | Benxi Manchu Autonomous County |
| Postal Code: | 117100 |
| Postal Code Type: | Postal code |
| Seat: | Xiaoshi |
| Seat Type: | County seat |
| Settlement Type: | Autonomous county |
| Image Map1: | Location of Benxi Prefecture within Liaoning (China).png |
| Map Caption1: | Benxi City in Liaoning |
| Subdivision Type: | Country |
| Subdivision Name: | China |
| Subdivision Type1: | Province |
| Subdivision Name1: | Liaoning |
| Subdivision Type2: | Prefecture-level city |
| Subdivision Name2: | Benxi |
| Area Code: | 0414 |
| Area Total Km2: | 3362 |
| Population As Of: | 2020 census |
| Population Density Km2: | auto |
| Population Total: | 230850 |
| Population Footnotes: | [1] |
| Coordinates: | 41.3018°N 124.12°W |
| Elevation M: | 205 |
| Timezone: | China Standard |
| Utc Offset: | +8 |
Benxi Manchu Autonomous County (; Manchu: ; Möllendorff: bensi manju beye dasangga siyan) is an autonomous county under the administration of the prefecture-level city of Benxi, in the east of Liaoning province, China. It has a total area of, and a population of approximately 300,000 people as of 2002.
The city is home to a sizable Manchu and Hui population.
There is one subdistrict, 10 towns, and one townships within the county:[2]
The only subdistrict is Guanyinge Subdistrict (Chinese: 观音阁街道).
10 towns are: Xiaoshi (Chinese: 小市镇), Caohezhang (Chinese: 草河掌镇), Caohecheng (Chinese: 草河城镇), Caohekou (Chinese: 草河口镇), Lianshanguan (Chinese: 连山关镇), Qinghecheng (Chinese: 清河城镇), Tianshifu (Chinese: 田师傅镇), Nandianzi (Chinese: 南甸子镇), Jianchang (Chinese: 碱厂镇), Pianling (Chinese: 偏岭镇), Gaoguan (Chinese: 高官镇).
The only township is Dongyingfang Township (Chinese: 东营房乡).