Tern Island can also refer to:
Tern Island (Hawaii), the main island in the atoll of French Frigate Shoals, in the Northwestern Hawaiian Islands Tern Island (Queensland), Australia Tern Island, South Georgia Tern Island Natural Area, a protected area of Bent County, Colorado, USA Tern Island in Pleasant Bay, Cape Cod, Massachusetts Siuraq, formerly Tern Island, Nunavut, Canada