North Brother Island may refer to:

North Brother Island (Andaman and Nicobar Islands), in the Andaman Islands, Indian Ocean North Brother Island, Connecticut, US North and South Brother Islands (New York City), in New York, US North Brother (Chagos Bank), one of the Three Brothers islands in the Chagos Archipelago, British Indian Ocean Territory North Brother, one of the Rukan Islands in Indonesia North Brother Island, one of The Brothers islands in New Zealand

See also Brother Island (disambiguation) South Brother Island (disambiguation)