Cathedral of Saint Thomas may refer to:
India edit
Catholic edit
- 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 edit
Orthodox Syrian edit
- St. Thomas Cathedral, Thottamon, Kerala