Digges Sound is a Canadian Arctic waterway in Qikiqtaaluk, Nunavut, Canada.

The sound is located at the juncture where the Hudson Strait meets northeastern Hudson Bay close to the northern tip of the Ungava Peninsula, between Digges Islands and Cape Wolstenholme.

Ivujivik, Quebec, the northernmost settlement in any Canadian province, is located on the south coast of the sound.

The sound's environs are approximately 12 km2 (4.6 sq mi) in size, with an elevation up to 300 m (980 ft) above sea level, and are characterized by rocky cliffs.

Notable bird species include the black guillemot and the colonial Iceland gull, and thick-billed murre.