John C Treadwell (May 19, 1941 – December 14, 2014) was an American football player.

He attended Stephen F. Austin High School and then enrolled at the University of Texas.

[2] He was a consensus first-team guard on the 1962 All-America team,[3][4] and was also named an Academic All-American in 1962 and 1963.

[5] The Houston Post named him the Most Valuable Player on defense in the Southwest Conference for 1962, and he played in the 1963 Hula Bowl.

He suffered from chronic traumatic encephalopathy, caused by repetitive brain trauma, in his later years.