William Decker Johnson may refer to: William Decker Johnson (bishop) (1869–1936) American 42nd Bishop of the African Methodist Episcopal (AME) Church William Decker Johnson (editor) (1860–?) English-born American newspaper founder and editor in Kentucky William Decker Johnson (1842–1909), pastor of the African Methodist Episcopal (AME) Church, former president of Allen University, and father of Hall Johnson
See also William Johnson (disambiguation)