Jack Mills (1905–1970) was the train driver in the Great Train Robbery.

Jack Mills may also refer to:

• Jack Mills (set decorator), American set decorator
• 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 (classification researcher) (1918–2010), British librarian and classification researcher
• Jack Mills (English footballer) (born 1992), English soccer player
• Jack Mills, co-founder and co-owner (with his brother Irving Mills) of Mills Music, a music publisher founded in the 1920s
• John Mills (New Zealand cricketer) (1905–1972), New Zealand test cricketer sometimes known as Jack Mills

• John Mills (disambiguation)

This disambiguation page lists articles about people with the same name.
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