Jack Marshall (1912–1988) was Prime Minister of New Zealand.

Jack Marshall may also refer to:

• Jack Marshall (ice hockey) (1877–1965), Canadian ice hockey player
• Jack Marshall (pitcher) (1893–?), Negro leagues baseball pitcher
• Jack Marshall (second baseman) (1908–1990), American Negro league baseball player
• Jack Marshall (soccer) (1892–1964), American soccer player
• Jack Marshall (cricketer) (1916–2000), English cricketer
• Jack Marshall (footballer, born 1917) (1917–1998), English football manager
• Jack Marshall (footballer, born 1895) (1895–1968), English footballer
• Jack Marshall (rugby union) (1926–2013), represented Australia

• Jack Marshall (Canadian politician) (1919–2004)
• Jack Marshall (composer) (1921–1973), American guitarist, conductor, and composer
• Jack Marshall (author) (born 1936), American poet and author

• Jack Marshall, fictional protagonist of The Hacker Files, a DC Comics mini-series

• John Marshall (disambiguation)

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