Lee Geon-u (; born 23 May 2000) is a South Korean bobsledder. He represented South Korea at the 2026 Winter Olympics. Lee has earned one Bobsleigh World Cup medal in four-man competition with a bronze at Cortina in 2025 pushing for Kim Jin-su, marking the first World Cup podium for a Korean sled. Lee pushed for Kim's four man team at the 2026 Olympics, where the team placed eighth.
All results are sourced from the International Bobsleigh and Skeleton Federation (IBSF).