Clarence "Motts" Thomas (October 17, 1945 – February 20, 2011) was an American football coach. He served as the head football coach at Bowie State University from 1974 to 1975, Morgan State University from 1978 to 1980, and at Pomona-Pitzer in Claremont, California from 1982 to 1993, compiling a career college football coaching record of 52–96–3.
Thomas played college football at Morgan State as a center and linebacker for head coach Earl Banks. He was an assistant at Morgan State in 1972 under Banks, coaching the defensive line. In 1973, Thomas was the appointed the head football coach at Montgomery Blair High School in Silver Spring, Maryland, becoming the first African-American head football coach in Montgomery County.