Kwon Won-il (; born June 24, 1995) is a South Korean mixed martial artist who completed in the Bantamweight division. He previously competed for ONE Championship, where he challenged for the ONE Bantamweight World Championship.
Kwon was born on June 24, 1996, in Daejeon, South Korea. He started training martial arts when he joined his elementary schoolâÂÂs taekwondo team, progressing from participating in provincial competitions to the national youth tournament. He quit taekwondo when he graduated from elementary school, citing a lack of direction. Eventually, he was ordered to be transferred to another school after getting into fights with other students. After being informed of the news, his mother cried in front of the school's principal, and Kwon was motivated to better himself.
Kwon started his professional MMA career in 2014, fighting primarily in South Korea and Japan. He amassed a record of 4âÂÂ0 prior to his signing with ONE Championship.
Kwon made his promotional debut against Anthony Engelen on January 19, 2019, at . He won the fight via 67 second technical knockout in the first round.
Kwon faced Masakazu Imanari on February 22, 2019, at . He lost the fight via a heel hook submission in 53 second from the first round.
Kwon faced former ONE Featherweight World Championship challenger Eric Kelly April 12, 2019, at . He won the fight via 19 second technical knockout in the first round.
Kwon faced Koyomi Matsushima on June 15, 2019, at . He lost the fight via unanimous decision.
Kwon faced Sunoto Peringkat on October 13, 2019, at . He won the fight via technical knockout in the first round.
Kwon faced Shoko Sato on January 31, 2020, at . He lost the fight via a rear-naked choke submission in the first round.
Kwon faced Bruno Pucci on October 30, 2020, and aired on November 20, 2022, at . He won the fight via technical knockout in the first round.
Kwon faced Chen Rui on January 20, 2021, and aired on January 27, 2021, at . He won the fight via technical knockout in the third round.
Kwon faced former ONE Bantamweight World Champion Kevin Belingon on December 3, 2021, and aired on December 17, 2021, at . He won the fight via knockout in the second round.
Kwon faced FabrÃÂcio Andrade on June 3, 2022, at ONE 158. He lost the fight via a body kick knockout in the first round.
Kwon was scheduled to face Mark Abelardo on November 19, 2022, at ONE on Prime Video 4. However, on November 4, it was announced that the bout was moved to ONE 163. He won the fight via technical knockout in the third round.
Kwon faced Artem Belakh on June 10, 2023, at ONE Fight Night 11. He won the fight via TKO in the second round.
Kwon faced Shinechagtga Zoltsetseg on January 14, 2023, at ONE Fight Night 18. He won the fight via technical knockout in the round two.
Kwon faced FabrÃÂcio Andrade in a rematch for the ONE Bantamweight World Championship on January 24, 2025, at ONE 170. He lost the fight via first round technical knockout.
On August 19, 2025, it was reported that Kwon was removed from ONE roster, despite as electing to waving its matching rights after his contract expired.
Kwon faced Juan Diaz on October 14, 2025, at Dana White's Contender Series 86. He lost the match by KO in the second round.
|- |Loss |align=center|13âÂÂ6 |Juan DÃÂaz |KO (spinning back elbow) |Dana White's Contender Series 86 | |align=center|2 |align=center|4:58 |Las Vegas, Nevada, United States | |- |Loss |align=center|13âÂÂ5 |FabrÃÂcio Andrade |TKO (punch to the body) |ONE 170 | |align=center|1 |align=center|0:42 |Bangkok, Thailand | |- | Win | align=center| 13âÂÂ4 | Shinechagtga Zoltsetseg | TKO (elbows) | ONE Fight Night 18 | | align=center| 2 | align=center| 2:40 | Bangkok, Thailand | |- | Win | align=center| 12âÂÂ4 | Artem Belakh | TKO (punches) | ONE Fight Night 11 | | align=center| 2 | align=center| 3:57 | Bangkok, Thailand | |- | Win | align=center| 11âÂÂ4 | Mark Abelardo | TKO (knee and punches) | ONE 163 | | align=center| 3 | align=center| 3:44 | Kallang, Singapore | |- | Loss | align=center| 10âÂÂ4 | FabrÃÂcio Andrade | KO (body kick) | ONE 158 | | align=center| 1 | align=center| 1:02 | Kallang, Singapore | |- | Win | align=center| 10âÂÂ3 | Kevin Belingon | KO (punch to the body) | | | align=center| 2 | align=center| 0:52 | Kallang, Singapore | |- | Win | align=center| 9âÂÂ3 | Chen Rui | TKO (punches) | | | align=center| 3 | align=center| 0:31 | Kallang, Singapore | |- | Win | align=center| 8âÂÂ3 | Bruno Pucci | TKO (punches) | | | align=center| 1 | align=center| 2:00 | Kallang, Singapore | |- | Loss | align=center| 7âÂÂ3 | Shoko Sato | Submission (rear-naked choke) | | | align=center| 1 | align=center| 4:05 | Pasay, Philippines | |- | Win | align=center| 7âÂÂ2 | Sunoto Peringkat | TKO (punches) | | | align=center| 1 | align=center| 1:43 | Tokyo, Japan | |- | Loss | align=center| 6âÂÂ2 | Koyomi Matsushima | Decision (unanimous) | | | align=center| 3 | align=center| 5:00 | Shanghai, China | |- | Win | align=center| 6âÂÂ1 | Eric Kelly | TKO (punches) | | | align=center| 1 | align=center| 0:19 | Pasay, Philippines | |- | Loss | align=center| 5âÂÂ1 | Masakazu Imanari | Submission (heel hook) | | | align=center| 1 | align=center| 0:53 | Kallang, Singapore | |- | Win | align=center| 5âÂÂ0 | Anthony Engelen | TKO (punches) | | | align=center| 1 | align=center| 1:07 | Jakarta, Indonesia | |- | Win | align=center| 4âÂÂ0 | Toshihiro Shimizu | Decision (split) | NeoFight 14 | | align=center| 3 | align=center| 5:00 | Cheongpyeong, South Korea | |- | Win | align=center| 3âÂÂ0 | Arlan Faurillo | TKO (punches) | URCC Bets 7 | | align=center| 1 | align=center| N/A | Manila, Philippines | |- | Win | align=center| 2âÂÂ0 | Kim Sung-hyun | Submission (rear-naked choke) | Top FC 8 | | align=center| 1 | align=center| 4:10 | Seoul, South Korea | |- | Win | align=center| 1âÂÂ0 | Hirotaka Miyakawa | TKO (punches) | DEEP 66 Impact | | align=center| 1 | align=center| 0:36 | Tokyo, Japan |