Stephen Sebo (July 15, 1914 – December 10, 1989) was an American football and baseball player, coach, college athletics administrator, and professional sports executive. He played baseball and football at Michigan State University, from which he graduated in 1937. He then played minor league baseball and coached sports at Petoskey High School in Petoskey, Michigan. During the World War II era, he served in the United States Army Air Forces and was discharged after 5 years with the rank of major. After the war, Sebo was the head football coach at Alma College from 1946 to 1948 and at the University of Pennsylvania from 1954 to 1959, compiling a career college football record of 33–42–2.