| Hiroyuki Kojima 小島弘之 | |
| Birth Place: | Japan |
| Nationality: | Japanese |
| Weight: | 167lb |
| Weight Class: | Welterweight |
| Years Active: | 1996 - 1999 |
| Mma Subwin: | 2 |
| Mma Decwin: | 2 |
| Mma Koloss: | 2 |
| Mma Decloss: | 2 |
| Mma Draw: | 1 |
| Sherdog: | 1218 |
Hiroyuki Kojima is a Japanese[1] mixed martial artist.[2] He competed in the Welterweight division.
|-| Draw| align=center| 4–4–1| Takaharu Murahama| Draw| Shooto: Shooter's Ambition| | align=center| 2| align=center| 5:00| Setagaya, Tokyo, Japan| |-| Loss| align=center| 4–4| Tetsuji Kato| TKO (punches)| Shooto: Las Grandes Viajes 6| | align=center| 2| align=center| 4:28| Tokyo, Japan| |-| Win| align=center| 4–3| Saburo Kawakatsu| Decision (unanimous)| Shooto: Las Grandes Viajes 5| | align=center| 2| align=center| 5:00| Tokyo, Japan| |-| Win| align=center| 3–3| Isao Tanimura| Technical Submission (kimura)| Shooto: Gig '98 2nd| | align=center| 1| align=center| 4:37| Tokyo, Japan| |-| Loss| align=center| 2–3| Takaharu Murahama| KO (punch)| Shooto: Las Grandes Viajes 2| | align=center| 1| align=center| 2:31| Tokyo, Japan| |-| Loss| align=center| 2–2| Hayato Sakurai| Decision (unanimous)| Shooto: Gig| | align=center| 2| align=center| 5:00| Tokyo, Japan| |-| Loss| align=center| 2–1| Tetsuji Kato| Decision (unanimous)| Shooto: Reconquista 2| | align=center| 2| align=center| 5:00| Tokyo, Japan| |-| Win| align=center| 2–0| Yuji Fujita| Decision (unanimous)| Shooto: Reconquista 1| | align=center| 3| align=center| 3:00| Tokyo, Japan| |-| Win| align=center| 1–0| Yuzo Tateishi| Submission (kimura)| Shooto: Let's Get Lost| | align=center| 1| align=center| 3:00| Tokyo, Japan|