McDougall Sound is an Arctic waterway in Qikiqtaaluk, Nunavut, Canada. It is located between southeastern Bathurst Island and western Cornwallis island. The sound's southern mouth opens to the Parry Channel, and beyond that, to the Barrow Strait. The sound's northern mouth opens to Crozier Strait. The sound is populated by several smaller islands, the named ones including , Little Cornwallis Island, Wood Island, Neal Islands, Truro Island, and Baker Island.