John A. Brown

John A. Brown may refer to:


 * John A. Brown Jr. (died 1997), American murderer executed in Louisiana for the murder of Omer Laughlin
 * John A. Brown (died 1940), founder of John A. Brown (department store), Oklahoma-based department store chain
 * John Alf Brown (1881–1936), Welsh international rugby union player
 * John Appleton Brown (1844–1902), American painter
 * John Arnesby Brown (1866–1955), English footballer and landscape artist