Tarcea
| Tarcea Értarcsa | |
|---|---|
| Reformed Church | |
| Location in Bihor County | |
| Coordinates: 47°27′N 22°11′E / 47.450°N 22.183°E | |
| Country | Romania | 
| County | Bihor | 
| Population  (2021-12-01) | 2,510 | 
| Time zone | EET/EEST (UTC+2/+3) | 
| Vehicle reg. | BH | 
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.