John Aiken may refer to:

• John Macdonald Aiken (1880–1961), Scottish painter
• John Aiken (RAF officer) (1921–2005), British Air Chief Marshal
• John Aiken (hockey player) (1932–2021), American ice hockey player
• John Aiken (basketball), American basketball coach at McNeese State
• John Aiken (cricketer) (born 1970), New Zealand cricketer, psychologist and television personality
• John Aiken (sculptor) (born 1950), Irish sculptor
• John W. Aiken (1896–1968), American furniture finisher and socialist activist

See also[edit]

• John Aitken (disambiguation)
• John Aikin (Unitarian) (1713–1780) English Unitarian scholar and theological tutor