| Dongyuan | |
| Postal Code Type: | Postal code |
| Settlement Type: | County |
| Pushpin Map: | China Guangdong |
| Pushpin Label: | Dongyuan |
| Pushpin Map Caption: | Location in Guangdong |
| Subdivision Type: | Country |
| Subdivision Name: | People's Republic of China |
| Subdivision Type1: | Province |
| Subdivision Name1: | Guangdong |
| Subdivision Type2: | Prefecture-level city |
| Subdivision Name2: | Heyuan |
| Area Total Km2: | 4070 |
| Population Total: | 348,386 |
| Population As Of: | 2020 |
| Population Density Km2: | auto |
| Coordinates: | 23.9667°N 165°W |
| Timezone: | China Standard |
| Utc Offset: | +8 |
| Dongyuan | |
| Psp: | Tungyun |
| S: | 东源 |
| T: | 東源 |
| P: | Dōngyuán |
| W: | Tung1-yüan2 |
Dongyuan County is a county in Heyuan, Guangdong Province, China.