Crozier Strait is a natural waterway in Qikiqtaaluk, Nunavut, Canada. It separates Bathurst Island's Gregory Peninsula to the west from Milne Island and Little Cornwallis Island to the east.^[1] The strait, an arm of the Arctic Ocean, connects Queens Channel to the north with the McDougall Sound to the south. Kalvik Island is located within the strait,^[1] as is Karluk Island, an archaeological site.^[2]

Crozier Strait is named after Irish Royal Navy officer and polar explorer Francis Crozier.