Frank Glennon (4 January 1919 – 1 April 1992) was an Irish soccer player who played in the League of Ireland during the 1940s. Glennon played for Bohemians and Shamrock Rovers amongst others during his career in the League of Ireland. He joined the Milltown club for the 1945/46 season. Together with Brendan O'Kelly, he represented Ireland at the 1948 Olympic Games.