John Donaldson may refer to:

Academics and scholars

• John Dalgleish Donaldson (born 1941), mathematician and father of Mary, Crown Princess of Denmark
• John Donaldson (agriculturalist) (1799–1876), British agriculturalist and professor of botany
• John Donaldson (economist) (born 1948), economist at Columbia Business School
• John William Donaldson (1811–1861), British philologist and biblical scholar
• John Donaldson (music scholar) (1789–1865), English music scholar and educator

Politics and law

• John Donaldson (Australian politician) (1841–1896), Treasurer of Queensland
• John Donaldson, Baron Donaldson of Lymington (1920–2005), British judge
• Jack Donaldson, Baron Donaldson of Kingsbridge (1907–1998), British politician

Sports

• John Donaldson (Australian cricketer) (born 1950), Australian cricketer
• John Donaldson (New Zealand cricketer) (1919–1984), New Zealand cricketer
• John Donaldson (footballer), Scottish footballer
• John Donaldson (pitcher) (1891–1970), baseball pitcher in the Negro leagues
• John Donaldson (second baseman) (born 1943), baseball player in the American League
• John Donaldson (American football) (1925–2018), American football player
• William John Donaldson (born 1958), known as John Donaldson, chess player

Arts and literature

• John Donaldson (author) (c. 1921–1989), British author and poet
• John Donaldson (painter) (1737–1801), miniature painter
• John M. Donaldson (1854–1941), American architect from Detroit, Michigan
• Johnny Donaldson, American guitarist

Other

• John Owen Donaldson (1897–1930), American flying ace
• John P. Donaldson (1842–1920), American soldier in the American Civil War
• John W. Donaldson (1924–2008), U.S. Army general

See also

• Jack Donaldson (disambiguation)
• Donaldson (disambiguation)
• John Donelson (1718–1785), American frontiersman, co-founded the settlement of Fort Nashborough, later Nashville, Tennessee