John Humphrey (born July 4, 2002) is an American professional football cornerback. He played college football for the UCLA Bruins and USC Trojans.
Humphrey attended John Muir High School in Pasadena, California. He was rated as a four-star recruit and received offers from Oregon, UCLA, and USC. Ultimately, Humphrey committed to play college football for the UCLA Bruins after receiving an offer just two months prior.
In week 4 of the 2022 season, Humphrey recorded five tackles (one for loss) in his first start in a win over Colorado. From 2020 to 2023, he totaled 76 tackles, five pass deflections, and two interceptions after becoming a full-time starter in 2022. After the season, he entered his name into the NCAA transfer portal.
Humphrey transferred to play for the USC Trojans. In 2024, he notched 23 tackles, three pass deflections, and an interception in 12 games.
After not being selected in the 2025 NFL draft, Humphrey signed with the Las Vegas Raiders as an undrafted free agent. He was waived on August 25.