Frank Bartkus (born November 11, 1915; died September 1986 in Merrick, New York) was a U.S. soccer goalkeeper who was a member of the U.S. soccer team at the 1936 Summer Olympics. Bartkus was selected as a member of the U.S. soccer team at the 1936 Olympic Games. He played in the only U.S. game of the tournament, a 1-0 loss to Italy. At the time, he played for the Brooklyn German Sports Club of the German American Soccer League. German S.C. won the 1936 National Amateur Cup.