Donald Kennedy (disambiguation)
Donald Kennedy (1931–2020) was an American scientist, public administrator and academic.
Donald Kennedy may also refer to:
- Donald Kennedy (Australian politician) (1807–1864), pastoralist, banker and member of the Victorian Legislative Council (Australia)
 - Donald MacBeth Kennedy (1884–1957), farmer and provincial and federal level Canadian politician
 - Donald Kennedy (footballer) (1888–1916), Scottish footballer
 - Donald Mackenzie-Kennedy (1889–1965), British colonial administrator, Governor of Nyasaland and later, Mauritius
 - Donald Gilbert Kennedy (1898–1976), teacher and British colonial administrator
 - Don Kennedy (1930–2023), American radio and television personality
 - Don Kennedy (actor) (1921–2013), American actor
 - Don Kennedy (athlete) (1932–2014), American paralympic athlete, weightlifter and wheelchair basketball player