John Lyon-Dalberg-Acton

John Lyon-Dalberg-Acton may refer to:


 * John Lyon-Dalberg-Acton, 3rd Baron Acton, CMG, MBE, TD, DL (1907–1989), British Peer
 * John Lyon-Dalberg-Acton, 5th Baron Acton, (born 1966), author and farmer