Deer Island

Deer Island may refer to:

In Canada

 * Deer Island, Lake Winnipeg, Manitoba
 * Deer Island, Newfoundland and Labrador
 * Deer Island (New Brunswick)
 * Nunavut:
 * Deer Island (Kivalliq Region)
 * Qikiqtaarjuk, formerly Deer Island (Qikiqtaaluk Region)
 * Arvia'juaq and Qikiqtaarjuk National Historic Site, near Arviat in Nunavut formerly, an island but Qikiqtaarjuk is now part of the mainland
 * , a former island, featured in the film Atanarjuat, that is now a peninsula

In Ireland

 * Deer Island (Ireland)

In Scotland

 * Eilean an Fheidh, known in English as Deer Island

In the United States

 * Alaska:
 * Deer Island (Alaska Panhandle)
 * Deer Island (Aleutian Islands)
 * Deer Island (Arizona and California)
 * Deer Island (Marin County), California
 * Deer Isle, Maine
 * Deer Island (Massachusetts)
 * Deer Island Prison
 * Deer Island Waste Water Treatment Plant
 * Deer Island (Amesbury, Massachusetts)
 * Deer Island (Mississippi)
 * Deer Island (Montana), an island in Flathead Lake
 * Deer Island (Thousand Islands), New York
 * Deer Island, Oregon
 * North Deer Island (Texas)