| Bayan | |
| Pushpin Label: | Bayan |
| Native Name Lang: | zh-cn |
| Settlement Type: | Town |
| Pushpin Label Position: | bottom |
| Subdivision Type3: | Autonomous County |
| Subdivision Type2: | Prefecture-level city |
| Coordinates: | 36.1064°N 102.2547°W |
| Subdivision Type: | Country |
| Subdivision Name: | China |
| Subdivision Type1: | Province |
| Subdivision Name1: | Qinghai |
| Pushpin Map Caption: | Location in Qinghai |
| Subdivision Name2: | Haidong |
| Subdivision Name3: | Hualong |
| Subdivision Type4: | Village-level divisions |
| Pushpin Map: | China Qinghai |
| Native Name: | 巴燕镇 |
| Unit Pref: | Metric |
| Area Total Km2: | 152.8 |
| Population Total: | 33146 |
| Population As Of: | 2020 |
| Population Density Km2: | auto |
| Timezone1: | China Standard |
| Utc Offset1: | +8 |
| Postal Code Type: | Postal code |
| Area Code Type: | Local dialing code |
| Area Code: | 972 |
| Official Name: | Bayanzhen |
Bayan is a town in Hualong Hui Autonomous County, Haidong, Qinghai, China. In 2010, Bayan had a total population of 38,315: 19,390 males and 18,925 females: 9,334 aged under 14, 26,934 aged between 15 and 65 and 2,047 aged over 65.[1]