Allen Johnson (disambiguation)

Allen Johnson (born 1971) is a retired American hurdler.

Allen Johnson may also refer to:


 * Allen Johnson (Indian Army officer) (1829–1907), British Indian Army officer
 * Allen Johnson (historian) (1870–1931), American historian, Professor of History at Yale University
 * Allen Johnson (activist), African-American Civil Rights Leader and minister
 * Allen F. Johnson, American diplomat