Lee Si-an
| Birthday | February 25, 1999 |
|---|---|
| Age | 27 Years (May, 2026) |
| Birth Place | Seocho, Seoul, South Korea |
| Height | 171 cm |
| Weight | 53 kg |
| Ethnicity | Korean |
| Relationship Status | Single |
Biography
Lee Si-an is a South Korean model, former idol trainee and reality TV personality best known for appearing on Season 4 of Netflix's dating reality show Single's Inferno. Before joining the show, she was already familiar to K-pop survival-show viewers through Idol School and Produce 48, and later worked as a freelance commercial and fashion model.
Early Life
Lee Si-an was born on 25 February 1999 in Seocho, Seoul, South Korea. Before entering reality television, she trained in the entertainment industry and was also known as a former competitive swimmer, a background that contributed to her strong physical performance in Single's Inferno challenges.
Career
Lee Si-an first entered the public eye through Korean idol survival programs, appearing on Idol School in 2017 and Produce 48 in 2018. She was also associated with the pre-debut girl group Happyface Girls before focusing on modeling. As a model, she worked with fashion, athleisure and beauty-related brands. In 2025, she gained major international attention as one of the central female contestants on Single's Inferno Season 4, where her romantic storyline with Yuk Jun-seo, Kim Jeong-su and Jang Theo became one of the season's biggest talking points.