| Type: | commune |
| County: | Bihor |
| Population Total: | auto |
| Tarcea | |
| Other Name: | Értarcsa |
| Coordinates: | 47.45°N 33°W |
Tarcea (Hungarian: Értarcsa) is a commune located in Bihor County, Crișana, Romania. It is composed of three villages: Adoni (Éradony), Galoșpetreu (Gálospetri), and Tarcea.
At the 2011 census, the commune had 2,690 inhabitants, of whom 77% were Hungarians, 16.8% Romanians, and 6.1% Roma. 51.7% were Reformed, 20% Roman Catholic, 12.6% Romanian Orthodox, 9.2% Greek-Catholic, and 5.2% Baptist.