John Acton is the name of:
John Acton (MP) for Droitwich (UK Parliament constituency) in 1597 Sir John Acton, 6th Baronet (1736–1811), prime minister of Naples John Dalberg-Acton, 1st Baron Acton (1834–1902), English historian John Lyon-Dalberg-Acton, 3rd Baron Acton (1907–1989), British peer John Lyon-Dalberg-Acton, 5th Baron Acton (born 1966), English writer and farmer John Acton (canon lawyer) (died 1350), English canon lawyer, known for his commentary on the writer on the ecclesiastical Constitutions of two papal legates of the thirteenth century John C. Acton, United States Coast Guard rear admiral