James Maxwell may refer to:
Arts and entertainment James Maxwell (actor) (1929–1995), American-British actor and theatre director Jim Maxwell (commentator) (born 1950), Australian sports commentator Jimmy Maxwell (bandleader) (1953–2024), American musician and bandleader Jimmy Maxwell (trumpeter) (1917–2002), American trumpeter
Science and medicine James Clerk Maxwell (1831–1879), Scottish physicist and proponent of Maxwell's equations James Maxwell (colonial administrator) (1869–1932), British physician and colonial administrator James Laidlaw Maxwell Jr (1876–1951), English Presbyterian medical missionary to China, son of James Laidlaw Maxwell
Sport James Maxwell (cricketer) (1883–1967), English cricket James Maxwell (footballer, born 1887) (1887–1917), Scottish footballer James Maxwell (footballer, born 1900) (1900–1964), Scottish footballer Bud Maxwell (James Morton Maxwell, 1913–1990), Scottish footballer James Maxwell (footballer, born 2001), Scottish footballer Jim Maxwell (American football) (born 1981), American football linebacker Jimmy Maxwell (footballer) (1889–1916), Irish footballer Jimmy Maxwell (rugby union) (1931–2017), Scottish international rugby union player
Other fields James Maxwell, 9th Baron Farnham (1813–1896), British nobleman James Maxwell (British Marines officer) (died 1792) James Maxwell (poet) (1720–1800), Scottish poet and essayist James Maxwell (scholar) (c.1581 – in or after 1635), Scottish author James Laidlaw Maxwell (1836–1921), missionary to Formosa James Shaw Maxwell (1855–1928), Scottish politician James Francis Maxwell (1862–1941), politician in Queensland, Australia
James Maxwell (American politician) (1926–1984), American politician from Oklahoma
James D. Maxwell II (born 1975), Mississippi judge James Maxwell, 1st Earl of Dirletoun (died 1650), Scottish courtier James Maxwell (1838–1893), architect, one of the founders of Maxwell and Tuke