Charles A. Johnson may refer to:
Charles Brooke, Rajah of Sarawak (Charles Anthoni Johnson, 1829–1917), head of state of Sarawak, 1868–1917 Charles A. Johnson (Oklahoma judge) (1931–2023), judge of the Oklahoma Court of Criminal Appeals Charles Johnson (fighter) (Charles Anthony Johnson, born 1991), American mixed martial artist and boxer Charles Johnson (Pennsylvania politician) (Charles A. Johnson, 1855–1937) Charles Johnson (defensive back) (Charles Adrian Johnson, born 1956), American football player J.R. Johnson (Charles A. Johnson Jr., born 1979), American football player Charles Adams Johnson, colonel of the 25th New York Volunteer Infantry Regiment during the American Civil War