Frank John "Butch" Loebs (January 10, 1913 – June 13, 1977) was an American college football player and coach. He served as the head football coach at Washington University in St. Louis from 1940 to 1941, compiling a record of 7–11.[1] Loebs played college football at Purdue University as an end. He was a third-round pick for the New York Giants in the 1936 NFL Draft but he never played in the NFL.[2] Prior to becoming head coach at Washington University, he served for three seasons as an assistant coach there.[3]
During World War II, he served in the United States Navy, reaching the rank of lieutenant commander.