Francis Daniel Barzilauskas (June 13, 1920 – November 30, 1990) was an American football guard who played four seasons in the National Football League (NFL) with the Boston Yanks, New York Bulldogs and New York Giants. He was drafted by the Yanks with the third overall pick in the 1947 NFL Draft. He first enrolled at the College of the Holy Cross before transferring to Yale University. Barzilauskas attended Crosby High School in Waterbury, Connecticut. He served in the United States Air Force during World War II.