Clifford Orin Olson (February 7, 1905 – December 6, 1990) was an American college football player and coach. He served as the head football coach at Pacific Lutheran University from 1926 to 1941 and again in 1946. Olson also coached basketball, track, golf, and tennis as Pacific Lutheran. He was the school's athletic director and taught Latin, history, and physical education. Olson was born in Benson, Minnesota and graduated in 1927 with a bachelor's degree from Luther College in Decorah, Iowa. He died on December 6, 1990.