| Hangul: | 이채원 |
| Hanja: | 李 采洹 |
| Rr: | I Chaewon |
| Mr: | Ri Ch'aewŏn |
Lee Chae-won (formerly Lee Chun-ja; born 7 April 1981 in Pyeongchang, Gangwon) is a South Korean cross country skier who has competed since 1999. Competing in six Winter Olympics, she earned her best finish of 21st in the team sprint event at PyeongChang in 2018.
Lee's best finish at the FIS Nordic World Ski Championships was 49th in the 10 km event at Oberstdorf in 2005.
Her best World Cup finish was 15th in a relay event in Sweden in 2008 while her best individual finish was 43rd in a 15 km mass start event at France that same year.