Cathedral of Saint Thomas may refer to:
India Catholic St. Thomas Syro-Malabar Cathedral, Kalyan St. Thomas Cathedral, Balharshah St. Thomas Cathedral Basilica, Chennai St. Thomas Cathedral, Pala St Thomas Cathedral & Bishop House, Irinjalakuda
Anglican St. Thomas Cathedral, Mumbai Orthodox Syrian St. Thomas Cathedral, Thottamon, Kerala
Malaysia St. Thomas's Cathedral, Kuching
Sri Lanka St. Thomas' Cathedral, Vaddukoddai
Venezuela St. Thomas Cathedral, Ciudad Bolívar
United States Mar Thoma Shleeha Cathedral (Bellwood, Illinois) St. Toma Syriac Catholic Cathedral, Farmington Hills, Michigan