C. J. Cox (born November 26, 2004) is an American college basketball player for the Purdue Boilermakers of the Big Ten Conference.
Cox is from Lexington, Massachusetts. Coming out of high school, Cox committed to play college basketball for the Purdue Boilermakers.
On November 15, 2024, Cox recorded 11 points, while hitting three consecutive threes in an upset win over Alabama. On December 21, he tallied 16 points versus Auburn. On January 5, 2025, in his second career start, Cox totaled 12 points and eight rebounds in a victory versus Northwestern. On January 12, he scored a career-high 23 points in a victory against Nebraska. On January 24, Cox recorded 11 points and three steals in a victory over Michigan.