Ukrainian Catholic Church may refer to:

• the Catholic Church in Ukraine
• the Eastern Catholic Churches which originated in Ukraine that use the Byzantine Rite:
  • Ruthenian Greek Catholic Church
  • Ukrainian Greek Catholic Church
    • Ruthenian Uniate Church
• the Armenian Catholic Archeparchy of Lviv
• the Ukrainian Orthodox Greek Catholic Church, an independent/Sedevacantist Ukrainian Greek Catholic Church that was established in 2008 after separating from the official Ukrainian Greek Catholic Church