Ruthenian Catholic Church
Ruthenian Catholic Church may refer to:
- Ruthenian Uniate Church, a historical Eastern Catholic church during the early modern period
- Belarusian Greek Catholic Church, the modern branch of the Ruthenian Uniate Church based in Belarus
- Ukrainian Greek Catholic Church, the modern branch of the Ruthenian Uniate Church based in Ukraine
- Ruthenian Greek Catholic Church, an Eastern Catholic church currently operating in Ukraine, Slovakia, the Czech Republic, and the United States