McGary is a surname. Notable people with the surname include:

Austin McGary (1846–1928), American sheriff and evangelist Ethel McGary (1907–1975), American freestyle swimmer Hugh McGary (1744–1806), Irish-American pioneer and slave owner Hugh McGary Jr., American city founder Kaleb McGary (born 1995), American football player Mitch McGary (born 1992), American basketball player

See also McGary Islands