| Tomohiro Maruyama | |
| Birth Date: | 7 March 1958 |
| Birth Place: | Kanagawa Prefecture, Japan |
| Weight: | 78kg (172lb) |
| Status: | Professional |
| Extour: | Japan Golf Tour |
| Prowins: | 6 |
| Japwins: | 3 |
| Otherwins: | 3 |
Tomohiro Maruyama (born 7 March 1958) is a Japanese professional golfer.
Maruyama played on the Japan Golf Tour, winning three times.
| No. | Date | Tournament | Winning score | Margin of victory | Runner(s)-up | |
|---|---|---|---|---|---|---|
| 1 | 3 Jul 1988 | Kanto Pro Championship | −10 (68-66-73-71=278) | 3 strokes |  Futoshi Irino, Yoshimi Niizeki | |
| 2 | 12 Dec 1993 | Daikyo Open | −15 (69-67-65-68=269) | 3 strokes | Ryoken Kawagishi, Nobuo Serizawa | |
| 3 | 30 Jul 1995 | NST Niigata Open Golf Championship | −14 (69-70-69-66=274) | 3 strokes | Hidemichi Tanaka |
PGA of Japan Tour playoff record (0–1)