Ralph Irvin Sasse (July 19, 1889 – October 16, 1954) was an American football player, coach, college athletics administrator, and United States Army officer. He served as the head football coach at the United States Military Academy from 1930 to 1932 and at Mississippi State College, now Mississippi State University, from 1935 to 1937, compiling a career college football record of 45–15–4. Sasse died October 16, 1954 in Rehoboth Beach, Delaware.