| Izuru Takeuchi | |
| Birth Date: | August 5, 1974 |
| Birth Place: | Okayama, Japan |
| Nationality: | Japanese |
| Weight: | 181lb |
| Weight Class: | Middleweight Lightweight |
| Style: | Judo, Sambo, Wrestling |
| Team: | SK Absolute |
| Rank: | 3rd Dan Black Belt in Judo |
| Mma Kowin: | 3 |
| Mma Subwin: | 3 |
| Mma Decwin: | 19 |
| Mma Koloss: | 3 |
| Mma Subloss: | 2 |
| Mma Decloss: | 6 |
| Mma Draw: | 7 |
| Sherdog: | 1258 |
is a retired Japanese mixed martial artist who competed in the middleweight division. He is a veteran of both the Pancrase and Shooto organizations, and is the former Middleweight King of Pancrase. Outside of mixed martial arts, Takeuchi has competed in numerous grappling tournaments, most notably in the All-Japan Combat Wrestling Championships held by the National Amateur Combat Wrestling Association.[1]
| Loss| align=center| 25–11–7| Ichiro Kanai| Decision (majority)| Pancrase: Changing Tour 8| | align=center| 3| align=center| 5:00| Tokyo, Japan| Lost the Pancrase Middleweight Championship.|-| Draw| align=center| 25–10–7| Takenori Sato| Draw| Pancrase: Changing Tour 4| | align=center| 3| align=center| 5:00| Tokyo, Japan| |-| Loss| align=center| | Joe Doerksen| TKO (punches)| | | align=center| 3| align=center| 4:13| Saitama, Japan| Middleweight Grand Prix Reserve bout.|-| Win| align=center| 25–9–6| Junior Santos| Submission (heel hook)| Pancrase: Shining 5| | align=center| 1| align=center| 4:49| Tokyo, Japan| |-| Win| align=center| 24–9–6| Hiromitsu Kanehara| Decision (unanimous)| Pancrase: Shining 2| | align=center| 3| align=center| 5:00| Tokyo, Japan| |-| Win| align=center| 23–9–6| Yuichi Nakanishi| Decision (unanimous)| Pancrase: Rising 9| | align=center| 3| align=center| 5:00| Tokyo, Japan| Won the Pancrase Middleweight Championship.|-| Win| align=center| 22–9–6| Bryan Rafiq| Decision (unanimous)| Pancrase: Rising 6| | align=center| 3| align=center| 5:00| Tokyo, Japan| |-| Win| align=center| 21–9–6| Daisuke Watanabe| Decision (unanimous)| Pancrase: Rising 4| | align=center| 3| align=center| 5:00| Tokyo, Japan| |-| Loss| align=center| 20–9–6| Kyacey Uscola| Decision (unanimous)| Bodog Fight: Costa Rica Combat| | align=center| 3| align=center| 5:00| Costa Rica| |-| Loss| align=center| 20–8–6| Yuichi Nakanishi| Decision (split)| Pancrase: Blow 10| | align=center| 3| align=center| 5:00| Tokyo, Japan| For the vacant Pancrase Middleweight Championship.|-| Win| align=center| 20–7–6| Hikaru Sato| Decision (unanimous)| Pancrase: Blow 6| | align=center| 3| align=center| 5:00| Yokohama, Japan| |-| Loss| align=center| 19–7–6| Yushin Okami| TKO (punches)| Greatest Common Multiple: D.O.G. 6| | align=center| 1| align=center| 3:39| Tokyo, Japan| |-| Win| align=center| 19–6–6| Azat Askerov| Decision (unanimous)| Pancrase: Blow 4| | align=center| 2| align=center| 5:00| Tokyo, Japan| |-| Win| align=center| 18–6–6| Myung Ho Bae| TKO (punches)| MARS| | align=center| 1| align=center| 3:46| Tokyo, Japan| |-| Win| align=center| 17–6–6| Kozo Urita| Decision (unanimous)| Pancrase: Spiral 9| | align=center| 2| align=center| 5:00| Tokyo, Japan|Return to Middleweight.|-| Win| align=center| 16–6–6| Hiromitsu Miura| TKO (punches)| K-1 Hero's 2| | align=center| 2| align=center| 2:35| Tokyo, Japan|Lightweight debut.[3] |-| Loss| align=center| 15–6–6| Nate Marquardt| Technical Submission (rear-naked choke)| Pancrase: Spiral 4| | align=center| 3| align=center| 2:19| Yokohama, Japan| For the Pancrase Middleweight Championship.|-| Win| align=center| 15–5–6| Yuji Hisamatsu| Decision (unanimous)| Pancrase: Spiral 1| | align=center| 3| align=center| 5:00| Tokyo, Japan| |-| Win| align=center| 14–5–6| Seiki Ryo| TKO (shoulder injury)| Pancrase: Brave 11| | align=center| 1| align=center| 5:00| Tokyo, Japan| |-| Win| align=center| 13–5–6| Mitsuhiro Ito| Submission (armlock)| ARANAMI: Pre.Rough Sea| | align=center| 2| align=center| 2:35| Niigata, Japan| |-| Draw| align=center| 12–5–6| Osami Shibuya| Draw (unanimous)| Pancrase: Brave 6| | align=center| 3| align=center| 5:00| Tokyo, Japan| |-| Win| align=center| 12–5–5| Kiuma Kunioku| Decision (majority)| Pancrase: Brave 4| | align=center| 3| align=center| 5:00| Tokyo, Japan| |-| Draw| align=center| 11–5–5| Marcel Ferreira| Draw| Absolute Fighting Championships 7| | align=center| 3| align=center| 5:00| Fort Lauderdale, Florida, United States| |-| Draw| align=center| 11–5–4| Eiji Ishikawa| Draw| Pancrase: Hybrid 9| | align=center| 3| align=center| 5:00| Tokyo, Japan| |-| Win| align=center| 11–5–3| Kosei Kubota| Decision (unanimous)| Pancrase: Hybrid 6| | align=center| 3| align=center| 5:00| Tokyo, Japan| |-| Loss| align=center| 10–5–3| Nate Marquardt| KO (punches)| Pancrase: Hybrid 3| | align=center| 1| align=center| 1:29| Tokyo, Japan| For the Pancrase Middleweight Championship.|-| Win| align=center| 10–4–3| Chris Lytle| Decision (majority)| Pancrase: Spirit 9| | align=center| 3| align=center| 5:00| Tokyo, Japan| |-| Win| align=center| 9–4–3| Nate Marquardt| Decision (unanimous)| Pancrase: Spirit 7| | align=center| 3| align=center| 5:00| Tokyo, Japan| |-| Loss| align=center| 8–4–3| Dustin Denes| Decision (Unanimous)| HOOKnSHOOT: New Wind| | align=center| 3| align=center| 5:00| Evansville, Indiana, United States| |-| Win| align=center| 8–3–3| Ronald Jhun| Decision (majority)| Shooto: Treasure Hunt 1| | align=center| 3| align=center| 5:00| Tokyo, Japan| |-| Draw| align=center| 7–3–3| Martijn de Jong| Draw| Shooto: To The Top 10| | align=center| 3| align=center| 5:00| Tokyo, Japan| |-| Win| align=center| 7–3–2| Martijn de Jong| Decision (split)| Shooto: To The Top 6| | align=center| 3| align=center| 5:00| Tokyo, Japan| |-| Loss| align=center| 6–3–2| Patrick Fortrie| Decision| Golden Trophy 2000| | align=center| N/A| align=center| N/A| Orléans, France| |-| Win| align=center| 6–2–2| Frederique Ferrera| Submission (armbar)| Golden Trophy 2000| | align=center| N/A| align=center| N/A| Orléans, France| |-| Win| align=center| 5–2–2| Florentim Amorim| Decision| Golden Trophy 2000| | align=center| N/A| align=center| N/A| Orléans, France| |-| Win| align=center| 4–2–2| Shiko Yamashita| Decision (unanimous)| Shooto: R.E.A.D. 1| | align=center| 2| align=center| 5:00| Tokyo, Japan| |-| Draw| align=center| 3–2–2| Ryuta Sakurai| Decision (unanimous)| Shooto: Gateway to the Extremes| | align=center| 2| align=center| 5:00| Tokyo, Japan| |-| Win| align=center| 3–2–1| Ahmed Lazizi| Decision (unanimous)| Shooto: 10th Anniversary Event| | align=center| 2| align=center| 5:00| Yokohama, Japan| |-| Win| align=center| 2–2–1| Nobuhiro Tsurumaki| Decision (unanimous)| Shooto: Gig '99| | align=center| 2| align=center| 5:00| Tokyo, Japan| |-| Draw| align=center| 1–2–1| Ryuta Sakurai| Draw| Shooto: Las Grandes Viajes 6| | align=center| 2| align=center| 5:00| Tokyo, Japan| |-| Loss| align=center| 1–2| Yuki Sasaki| Decision (unanimous)| Shooto: Gig '98 2nd| | align=center| 2| align=center| 5:00| Tokyo, Japan| |-| Loss| align=center| 1–1| Masanori Suda| Submission (toe hold)| Lumax Cup: Tournament of J '97 Middleweight Tournament| | align=center| 1| align=center| 1:53| Japan| |-| Win| align=center| 1–0| Motohiko Sugiyama| Decision (unanimous)| Lumax Cup: Tournament of J '97 Middleweight Tournament| | align=center| 2| align=center| 3:00| Japan|