| Huzhu | |
| Official Name: | Huzhu Tu Autonomous County Huzhu Mongghul njeenaa dagnagu xan |
| Postal Code Type: | Postal code |
| Settlement Type: | Autonomous County |
| Pushpin Map: | China Qinghai |
| Pushpin Label: | Huzhu |
| Pushpin Map Caption: | Location of the seat in Qinghai |
| Coordinates: | 36.85°N 108°W |
| Subdivision Type: | Country |
| Subdivision Name: | China |
| Subdivision Type1: | Province |
| Subdivision Name1: | Qinghai |
| Subdivision Type2: | Prefecture-level city |
| Subdivision Name2: | Haidong |
| Seat: | Weiyuan Town |
| Seat Type: | County seat |
| Area Total Km2: | 3424 |
| Population As Of: | 2019 |
| Population Density Km2: | auto |
| Population Total: | 438067 |
| Timezone: | China Standard |
| Utc Offset: | +8 |
| Website: | http://www.huzhu.gov.cn/ |
| T: | 互助土族自治縣 |
| S: | 互助土族自治县 |
| P: | Hùzhù Tǔzú Zìzhìxiàn |
| Tib: | or |
| Wylie: | huʼu kruʼu thuʼu rigs rang skyong rdzong or dgon lung rdzong |
| Order: | st |
Huzhu Tu Autonomous County (; Monguor: Huzhu Mongghul njeenaa dagnagu xan), or in short Huzhu County, is an autonomous county under the jurisdiction of the prefecture-level city of Haidong, in the east of Qinghai province, China, bordering Gansu province to the northeast.[1] It has an area of 3321km2 and approximately 370,000 inhabitants (2004). Its seat is the town of Weiyuan.
The monastery of Chuzang, located in the town of Nanmenxia some 20km (10miles) northwest of the seat of Huzhu County, is listed as a national monument of China (since 2006).
The Xining Caojiabao Airport (IATA: XNN, ICAO: ZLXN) which serves Xining, capital of Qinghai Province, is located in the county.
Huzhu is divided into 1 subdistrict, 7 towns and 9 townships, and 2 ethnic townships.