Clyde Littlefield (October 6, 1892 – May 20, 1981) was the head track & field coach at The University of Texas from 1920 to 1961 as well as its football coach from 1927 to 1933. He became one of the greatest track coaches in NCAA history. In his 41 years at Texas, his teams won 25 Southwest Conference championships.
His football coaching tenure was also quite accomplished: he compiled a 44-18-6 record and won two Southwest Conference championships.
Littlefield graduated from South Park High School in Beaumont. From 1912 to 1916, he attended The University of Texas, where he earned twelve letters in football, basketball, and track. After graduating from Texas, Littlefield served as the head football coach at Greenville High School for four years. He returned to the University in 1920 as head track coach, freshman football coach, freshman basketball coach, and physical-training instructor. He served on the United States track & field coaching staff at the 1952 Helsinki Olympics.
Littlefield founded the Texas Relays in 1925, and is honored as its namesake.