Sir William Parker Strait is a waterway in the Qikiqtaaluk Region of Nunavut, Canada. It separates Helena Island (to the north-west) from Bathurst Island (to the south-east).

v t e Straits of Nunavut
Kitikmeot Region	Alexandra Bellot Dease Dolphin and Union Franklin James Ross Rae Simpson Victoria Wellington
Kivalliq Region	Comer Evans Fisher Frozen
Qikiqtaaluk Region	Arnott Barrow Bellot Boyer Cardigan Crozier Danish Davis Desbarats Fury and Hecla Glacier Hall Hazen Hendriksen Hoppner Hudson Lady Ann Maclean Nares Pearse Penny Pullen Rice Sir William Parker Wilkins