Sina Karimian (born 23 January 1988) is an Iranian kickboxer. He competes in GLORY. He is the former K-1 Cruiserweight Champion.
Karimian participated in the 2018 K-1 WORLD GP Cruiserweight (âÂÂ90 kg) Tournament. He beat OD.KEN in the quarter-finals with a fourth-round TKO. In the semi-finals he defeated K-Jee with a unanimous decision. He won a majority decision against Boubaker El Bakouri with a majority decision to become the inaugural K-1 Cruiserweight champion.
He made his first title defence against Hisaki Kato during . Karimian won a unanimous decision.
He made his second title defence in a rematch against Ryo Aitaka. Karimian won a unanimous decision.
Karimian fought K-Jee on 3 November 2020 during K-1 WGP Japan. He lost the fight by a first-round knockout.
Sina was scheduled to fight Seiya Tanigawa at K'Festa 4, but the event was later postponed due to the COVID-19 pandemic. He was instead scheduled to fight K-Jee at K'Festa 4 Day 2 for the K-1 WORLD GP Cruiserweight title. Sina won the fight by a second-round knockout, after being knocked down twice in the first round.
Karimian was scheduled to face the former K-1 heavyweight champion Kyotaro Fujimoto at on 20 September 2021. He won the fight by split decision, after an extra round was fought.
Karimian faced Rikiya Yamashita at THE MATCH 2022 on 19 June 2022. He won the fight by unanimous decision.
Karimian faced Kosuke Jitsukata at K-1 World GP 2022 Yokohamatsuri on September 11, 2022. He won the fight by a first-round knockout.
Karimian took part in the Glory 99 âÂÂHeavyweight Last Man Standing Tournamentâ where 32 heavyweight fighters competed on April 5, 2025 in Rotterdam, Netherlands. He faced off against TomÃ¡à ¡ Moà ¾ný in the opening round, losing via unanimous decision.
Karimian made his Mixed Martial Arts debut at RIZIN Landmark 11 in Sapporo in June of 2025, facing off against GRACHAN Heavyweight Champion, Hidetaka Arato. He won the fight via unanimous decision.
Sina will return to MMA at K-1 World MAX 2025 - 70kg World Tournament Opening Round, facing Blake Troop in a Heavyweight bout. This will mark the return of K-1's MMA brand, HEROs. This will be the first time it has been utilized since December of 2007.
Karimian would face former K-1 Super Lightweight kickboxing champion Ruyika Anpo in a 6-round scored exhibition boxing match at RIZIN 49. Karimian weighed in at 216 pounds, while Anpo weighed in at 178 pounds. Despite the 38 pound weight advantage, Karimian was thoroughly outboxed by Anpo. Karimian would accidentally hit the referee multiple times during a scuffle with Anpo, but the bout continued after a brief pause. Karimian would lose the bout via unanimous decision, failing to win a single round.
Karimian would face former HEAT and ISKA Lightweight Kickboxing champion Kouzi in a 3-round exhibition boxing match at RIZIN: Otoko Matsuri. The bout was booked as a "punishment fight" after Kouzi was involved in a hit-and-run the previous December. He took the fight with Karimian as penance for his actions. After 3 rounds, the fight was declared a draw, due to it being an exhibition.
|- bgcolor="#fbb" | 2025-04-05 || Loss ||align=left| TomÃ¡à ¡ Moà ¾ný|| Glory 99 - Last Heavyweight Standing, Opening Round || Rotterdam, Netherlands || Decision (Unanimous) || 3 || 3:00
|- bgcolor="#c5d2ea" | 2024-12-14 || NC ||align=left| Daichi Kimura || K-1 World Grand Prix 2024 Final || Tokyo, Japan || Doctor stop. (Low blow)|| 1 ||
|- style="background:#c5d2ea;" | 2024-10-05 || NC ||align=left| Claudio Istrate ||K-1 World GP 2024 in Osaka || Osaka, Japan || Doctor stop. (hit to back of the head)|| 1 || |- ! style=background:white colspan=9 |
|- style="text-align:center; background:#fbb" | 2024-03-20|| Loss ||align=left| Liu Ce || K-1 World MAX 2024 - World Tournament Opening Round || Tokyo, Japan || KO (Right hook) || 3 ||2:03 |- ! style=background:white colspan=9 |
|- style="background:#fbb" | 2023-09-10|| Loss ||align=left| Claudio Istrate || World Grand Prix Semifinals || Yokohama, Japan || Decision (Unanimous) || 3 || 3:00 |- style="background:#cfc" | 2023-09-10|| Win||align=left| Kerim Jemai|| World Grand Prix Quarterfinals || Yokohama, Japan || TKO (2 Knockdowns/Punches) || 3 ||1:35 |- style="background:#cfc" | 2022-12-03 || Win ||align=left| Carlos Budiao || K-1 World GP 2022 in Osaka || Osaka, Japan || DQ (Hit to the back of the head) ||2 || |- style="background:#cfc;" | 2022-09-11 || Win ||align=left| Kosuke Jitsukata || K-1 World GP 2022 Yokohamatsuri || Yokohama, Japan || KO (Punches) || 1 || 1:21 |- style="background:#cfc;" | 2022-06-19 || Win ||align=left| Rikiya Yamashita || THE MATCH 2022 || Tokyo, Japan || Decision (Unanimous) || 3 || 3:00 |- style="background:#cfc;" | 2021-09-20 || Win ||align=left| Kyotaro || || Yokohama, Japan || Ext. R. Decision (Split) || 4 ||3:00 |- style="background:#cfc;" | 2021-03-28|| Win ||align=left| K-Jee || K'Festa 4 Day 2 || Tokyo, Japan || KO (Spinning back fist) || 2 || 0:26 |- ! style=background:white colspan=9 | |- style="background:#fbb;" | 2020-11-03|| Loss ||align=left| K-Jee || K-1 World GP 2020 in Fukuoka || Fukuoka, Japan || TKO (corner stoppage) || 1 || |- ! style=background:white colspan=9 | |- style="background:#cfc;" | 2020-03-22|| Win ||align=left| Ryo Aitaka || || Saitama, Japan || Decision (Unanimous)|| 3|| 3:00 |- ! style=background:white colspan=9 | |- style="background:#fbb;" | 2019-08-24|| Loss ||align=left| Ryo Aitaka || || Osaka, Japan || KO (Right overhand) || 3 || 2:08 |- style="background:#cfc;" | 2019-03-10|| Win ||align=left| Hisaki Kato |||| Saitama, Japan || Decision (Unanimous) || 3 || 3:00 |- ! style=background:white colspan=9 | |- style="background:#cfc;" | 2018-09-24|| Win ||align=left| Boubaker El Bakouri|| , Final || Tokyo, Japan || Decision (Majority) || 3 || 3:00 |- ! style=background:white colspan=9 | |- style="background:#cfc;" | 2018-09-24|| Win ||align=left| K-Jee || , Semi-finals || Tokyo, Japan || Decision (Unanimous) || 3 || 3:00 |- style="background:#cfc;" | 2018-09-24|| Win ||align=left| OD.KEN || , Quarter-finals || Tokyo, Japan || TKO (ref. stop) || 4 || 3:00
|- style="background:#cfc;" | 2017-03-10 || Win ||align=left| Neil Aquino || WKN Iran: World Cup 2017|| Teheran, Iran || KO|| 2 || |- ! style=background:white colspan=9 | |- | colspan=9 | Legend:
|- style="background:#fbb;" | 2017-05-10|| Loss||align=left| Jakub Klauda || 2017 IFMA World Championships, Semi-final || Minsk, Belarus || RSO || 2 || |- ! style=background:white colspan=9 |
|- | colspan=9 | Legend:
|- |NC |align=center| |Blake Troop |NC (accidental eye poke) |K-1 World MAX 2025: 70kg World Tournament Opening Round | |align=center|2 |align=center|1:53 |Tokyo, Japan | |- |Win |align=center|1âÂÂ0 |Hidetaka Arato |Decision (unanimous) |Rizin Landmark 11 | |align=center|3 |align=center|5:00 |Sapporo, Japan |