Holdridge Island is one of the many uninhabited Canadian arctic islands in Qikiqtaaluk Region, Nunavut. It is located at the confluence of Hudson Strait and the Labrador Sea.

Holdridge Island's highest mount is  above sea level.

It is a member of the Button Islands and is situated west of the southern end of Lawson Island. Other islands in the immediate vicinity include Dolphin Island, King Island, Leading Island, Niels Island, and Observation Island.

References 

Islands of Hudson Strait
Islands of the Labrador Sea
Uninhabited islands of Qikiqtaaluk Region