| Diễn Châu | |
| Settlement Type: | Township (Class-5) |
| Official Name: | Diễn Châu township |
| Native Name: | Thị trấn Diễn Châu |
| Pushpin Map: | Vietnam |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | North Central Coast |
| Subdivision Type2: | Province |
| Subdivision Name2: | Nghệ An |
| Subdivision Type3: | District |
| Subdivision Name3: | Diễn Châu |
| Unit Pref: | Imperial |
| Timezone: | UTC + 7 |
| Utc Offset: | +7 |
| Coordinates: | 18.9778°N 105.6008°W |
Diễn Châu is a township (Vietnamese: thị trấn) and capital of Diễn Châu District, Nghệ An Province, Vietnam.[1]