John MacNaughton
John MacNaughton or variant spellings, may refer to:
- John A. MacNaughton (1945–2013), a Canadian investment banker
 - John H. MacNaughton (born 1929), an American bishop
 - John McNaughton (born 1950), an American film and TV director
 - John McNaughton (government official) (1921–1967), American official
 - Jock McNaughton (1912–1986), a Scottish professional footballer
 - John Macnaghten (1722–1761), known as Half-Hanged MacNaghten, an Anglo-Irish convicted murderer
 - Jon McNaughton, an American painter of conservative political themes