Se-Bom Lee is an Australian swimmer who made his Olympic debut at the Tokyo 2020 Olympics Games, competing in the men’s 400m individual medley. At the Birmingham 2022 Commonwealth Games he finished sixth in the men’s 200m individual medley.

At age four, Se-bom was learning to swim and by six had joined squad training. As he rose through the ranks, the young swimmer from Sydney amassed quite a medal collection from state and national junior swim meets. In 2018 he represented Australia at the Junior Pan Pacific Swimming Championships in Fiji.

At the 2019 Australian Age Swimming Championships, Se-Bom bagged five medals, including gold in the boys 17 years 200m backstroke, 200m and 400m individual medley (taking 4.19.10 off his previous best), as well as silver in the 200m backstroke and 100m freestyle events. Following his stand out performances, Se-Bom was selected onto the Australian team for the 2019 FINA World Junior Championships in Budapest where he swam a personal best to place 5th in the 200m medley.

Se-Bom took gold in the 400m individual medley at the 2021 NSW State Open Championships and at the 2021 Australian Swimming Trials, the 20-year-old claimed silver in the 400m, recording a personal best time and qualifying for his Olympic debut.