McKusick may refer to:
People with the surname McKusick: Blaine McKusick (1888–1960), American football and basketball coach Hal McKusick (1924–2012), American jazz musician James C. McKusick, author of Green Writing: Romanticism and Ecology John McKusick (1815–1900), American lumberman, politician, and pioneer Marshall Kirk McKusick (born 1954), American computer scientist, brother of James C. McKusick Victor A. McKusick (1921–2008), pioneering American medical geneticist, twin brother of Vincent McKusick Vincent L. McKusick (1921–2014), American Chief Justice of Maine, twin brother of Victor McKusick
See also Lake McKusick, a lake in Minnesota Carroll L. McKusick Elementary School, Guilford, Maine, named for the father of Victor and Vincent McKusick McKusick–Kaufman syndrome The University of South Dakota's McKusick Law Library