Jack Mills may refer to:
Arts and entertainment Jack Mills (music publisher) (1891–1979), American music publisher Jack Mills (set decorator), American set decorator
Sports Jack Mills (Australian footballer) (1930–2001), Australian rules footballer Jack Mills (baseball) (1889–1973), Major League Baseball third baseman Jack Mills (basketball) (1918–2007), American professional basketball player Jack Mills (English footballer) (born 1992), English soccer player John Mills (New Zealand cricketer) (1905–1972), New Zealand test cricketer sometimes known as Jack Mills
Other Jack Mills (classification researcher) (1918–2010), British librarian and classification researcher Jack Mills (Great Train Robbery), train driver in the Great Train Robbery Jack Mills (Nebraska politician) (1937–2019), American politician from Nebraska
See also Mills Music, Inc., formerly known as Jack Mills Music John Mills (disambiguation)