John Jordan Wicker Jr. (December 31, 1893 – July 20, 1985) was an American lawyer and Democratic politician who served as a member of the Virginia Senate from 1932 to 1936, representing the City of Richmond. He served as the president of Fork Union Military Academy from 1930 to 1945. A founding member of the American Legion, he was elected the chairman of which aimed to expand voting rights to members of the armed forces during wartime.