Sheehan is a surname. It may also refer to:

Sheehan Islands, Mac. Robertson Land, Antarctica Sheehan Glacier, Victoria Land, Antarctica Sheehan Mesa, Victoria Land, Antarctica 16037 Sheehan, an asteroid USS Sheehan (DE-541), a United States Navy destroyer escort launched in 1943, but never completed

See also Sheehan's syndrome, a syndrome affecting the pituitary gland