Crozier Island (Danish: Crozier Ø) is one of three islands located in Kennedy Channel of Nares Strait in the high Arctic, and is part of Greenland. Its two sister islands are Franklin Island and Hans Island. The former is also part of Greenland, whilst the latter's ownership is disputed between Greenland and Canada. Kennedy Channel is an Arctic sea passage between Canadas Ellesmere Island in the west and northwestern with Greenland. ... The Nares strait is a waterway between Canadas Ellesmere Island and Greenland which connects Baffin Bay to the Arctic Ocean. ... The red line indicates the 10°C isotherm in July, commonly used to define the Arctic region border The Arctic is the area around the Earths North Pole. ... Franklin Island (Danish: Franklin Ø) is one of three islands located in Kennedy Channel of Nares Strait in the high Arctic. ... Hans Island, 1st August 2003, HDMS Triton Hans Island (Greenlandic: Tartupaluk, Danish: Hans Ø) is a small uninhabited barren knoll measuring 1. ...

It is the southernmost island in Kennedy Channel. It fronts Lafayette Bugt and is reported to be easily identified. The cliffs at its southwest side rise to a height of 60m.

It is named after the Irish-born, British naval officer Francis Rawdon Moira Crozier second-in-command (and commander after Franklins death) of John Franklin's ill-fated Naval Northwest Passage Expedition, 1845-1848. Sir John Franklin (April 15, 1786 – June 11, 1847) was an English sea captain and Arctic explorer, whose fate — and that of his last expedition — was for many years a mystery. ...