Doughboy Island may refer to:

Australia

Tasmania Doughboy Island (Tasmania), a small island in the Furneaux Group between Flinders Island and Barren Island in Bass Srait off northeast Tasmania The Doughboys (Tasmania), a pair of islands off Cape Grim, Tasmania

Victoria Doughboy Island (Victoria), a small island in Corner Inlet

United States Doughboy Island, a small island in Bluffton, South Carolina

See also Dough Boy (disambiguation)