| Lejiawan | |
| Pushpin Label: | Lejiawan |
| Native Name Lang: | zh-cn |
| Settlement Type: | Town |
| Pushpin Map: | China Qinghai |
| Subdivision Type3: | County |
| Pushpin Label Position: | bottom |
| Subdivision Type2: | Autonomous prefecture |
| Coordinates: | 36.5753°N 101.8317°W |
| Subdivision Type: | Country |
| Subdivision Name: | China |
| Subdivision Type1: | Province |
| Subdivision Name1: | Qinghai |
| Pushpin Map Caption: | Location in Qinghai |
| Subdivision Name2: | Xining |
| Subdivision Name3: | Chengdong District |
| Subdivision Type4: | Village-level divisions |
| Native Name: | 乐家湾镇 |
| Unit Pref: | Metric |
| Area Total Km2: | 41.95 |
| Population Total: | 35640 |
| Population As Of: | 2010 |
| Population Density Km2: | auto |
| Timezone1: | China Standard |
| Utc Offset1: | +8 |
| Postal Code Type: | Postal code |
| Area Code Type: | Local dialing code |
| Area Code: | 971 |
| Official Name: | Lejiawanzhen |
Lejiawan is a town in Chengdong District, Xining, Qinghai, China. In 2010, Lejiawan had a total population of 35,640: 18,725 males and 16,915 females: 4,919 aged under 14, 28,041 aged between 15 and 65 and 2,680 aged over 65.[1] During the Republic of China, Lejiawan was mentioned in Amdo Tibetan folk songs as a military base of the Ma warlord family. As of today, the town has a mine and is one of the most prominent sources of pollution in its geographical area.[2]