Trinity Island (disambiguation)
Trinity Island may refer to:
- Trinity Island, Palmer Archipelago, Antarctica
- Trinity Island, Willis Islands, South Georgia
- Trinity Islands (Nunavut), an uninhabited island group offshore Baffin Island, belonging to the Canadian territory of Nunavut
- Trinity Islands (Alaska), an uninhabited island group consisting of the two larger islands Sitkinak and Tugidak, as well as several smaller islands, lying offshore Kodiak Island and belonging to Kodiak Island Borough in the U.S. state of Alaska
See also
- Trindade and Martim Vaz (Trinity and Martim Vaz), archipelago in Brazil