John M. Brown (disambiguation)

John M. Brown (1817–1852) was an American bishop in the African Methodist Episcopal church. John M. Brown may also refer to:


 * John M. Brown III (fl. 1960s–2000s), United States Army general
 * John Macmillan Brown (1845–1935), Scottish-New Zealand academic, administrator and promoter of education for women
 * Johnny Mack Brown (1904–1974), American film actor and college football player
 * John Marshall Brown (1838–1907), American commissioned officer during the American Civil War
 * John Mason Brown (1900–1969), American literary critic
 * Sir John McLeavy Brown (1835–1926), British lawyer and diplomat