Siwon (시원) is a South Korean singer, songwriter, actor and model under SM Entertainment. He is a vocalist and visual of the boy group SUPER JUNIOR and its sub-unit SUPER JUNIOR-M.
- "Oh! My Lady OST" (2010)
- "She Was Pretty OST" ("Only You") (2015)
- Precious Family (KBS2, 2004) - cameo
- 18:29 (KBS2, 2005)
- Spring Waltz (KBS2, 2006)
- Legend of Hyang-dan (MBC, 2007)
- Stage of Youth (CCTV2, 2009) - cameo
- Oh! My Lady (SBS, 2010)
- Athena: Goddess of War (KBS2, 2010-2011)
- Skip Beat! (FTV/GTV, 2011)
- Poseidon (KBS2, 2011)
- The Lord of Dramas (SBS, 2012-2013)
- The Man in the Mask (KBS2, 2015) - cameo
- She Was Pretty (MBC, 2015)
- Revolutionary Love (tvN, 2017)
- My Fellow Citizens (KBS2, 2019)
- Due to his parents not registering him sooner, Siwon's legal birth date is February 10, 1987.
- He knows Taekwando.
- Being Christian (Protestant) and loyal to his faith, his most precious item is the Bible.
- He was scouted by a talent agent in 2003 and was recommended to audition for the Starlight Casting System to be an entertainer.
- On November 19, 2015, he enlisted as a conscripted policeman. He was discharged in the summer of 2017.
- Main article: Siwon/Gallery