| Ryu Shikun | |
| Fullname: | Ryu Shikun |
| Hangul: | 류시훈 |
| Hanja: | 柳時熏 |
| Revisedromanization: | Ryu Si-hun |
| Mccunereischauer: | Ryu Si-hun |
| Birth Date: | 8 December 1971 |
| Birth Place: | Seoul, South Korea |
| Residence: | Tokyo, Japan |
| Teacher: | Yusuke Oeda |
| Turnedpro: | 1988 |
| Rank: | 9 dan |
| Affiliation: | Nihon Ki-in |
Ryu Shikun (柳時熏, born December 8, 1971, in Seoul, South Korea) is a professional Go player.
Ryu Shikun is a Go player who grew up in Seoul. He did not move to Japan until he was 15, and just 2 years later he turned professional. He was promoted to 9 dan in 2003.
| Title | Years Held | |
|---|---|---|
| Current | 6 | |
 Tengen | 1994–1996, 2000 | |
| Oza | 1996 | |
| NEC Cup | 2003 | |
| Defunct | 2 | |
| Shin-Ei | 1992 | |
| NEC Shun-Ei | 1994 | |
| Total | 8 |
| Title | Years Lost | |
|---|---|---|
| Current | 8 | |
| Kisei | 2002 | |
| Honinbo | 1996 | |
| Tengen | 1997, 2001 | |
| Oza | 1997 | |
| NEC Cup | 2005 | |
| Shinjin-O | 1991 | |
| Ryusei | 1993 | |
| Defunct | 1 | |
| NEC Shun-Ei | 1993 | |
| Continental | 4 | |
 China-Japan Tengen | 1995–1997, 2001 | |
| Total | 13 |