| Cathedral of Mren | |
|---|---|
 Mren in the early 20th century | |
| Religion | |
| Affiliation | Armenian Apostolic Church |
| Location | |
| Location | Digor District |
  Shown within Turkey | |
| Geographic coordinates | 40°14′32″N 43°39′47″E / 40.242125°N 43.662953°E |
| Architecture | |
| Type | Three-nave basilica with dome |
| Style | Armenian |
| Groundbreaking | 631 |
| Completed | 639 |
The Cathedral of Mren is a 7th-century Armenian church in an abandoned medieval town site called Mren. It is located in the Kars region of Turkey, near the border with Armenia, about 1.5 km west of the Akhurian River.