| Building Name: | Éauze Cathedral French: Cathédrale Saint-Luperc d'Eauze |
| Location: | Eauze, France |
| Geo: | 43.8608°N 0.1008°W |
| Religious Affiliation: | Roman Catholic Church |
| Rite: | Roman |
| Region: | Gers |
| Province: | Diocese of Eauze |
| Status: | Cathedral |
| Functional Status: | Active |
| Architecture: | yes |
| Architecture Type: | church |
| Architecture Style: | Gothic |
Eauze Cathedral (French: Cathédrale Saint-Luperc d'Eauze) is a Roman Catholic church located in the town of Eauze, France. The former cathedral is a national monument. It was the ecclesiastical seat of the former Diocese of Eauze, which was merged into the Bishopric of Auch, probably in the 9th century. Eauze Cathedral is dedicated to Saint Luperculus, who is said to have been a bishop here in the 3rd century before being martyred.