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

Andrew Crummey (born 1984), American football guard Joe Crummey, American radio talk show host Louise McKinney née Crummey (1868–1931), politician and women's rights activist from Alberta, Canada Michael Crummey (born 1965), Canadian poet and writer P. W. Crummey (1891–1960), public figure in Newfoundland

See also Crummey Nunatak Crummey trust for the benefit of a minor Cramme Grumme