Kolbe Harmon is a cornerback from Brentwood, Tennessee, where he lettered two seasons at Brentwood Academy. As a junior, he recorded 42 tackles, 1.0 sack, one interception and seven pass breakups on defense while adding 700 receiving yards and nine touchdowns. During his sophomore year, he totaled 72 tackles and 17 pass breakups as the Eagles reached the state semifinals. A three-star prospect rated by recruiting services, Harmon was ranked No. 20 in Tennessee by recruiting services. He enrolled at Duke in January 2025 and did not see game action that season. Harmon is a returning cornerback for the 2026 campaign.