| Hideaki Tomiyama | |
| Headercolor: | lightsteelblue |
| Fullname: | Hideaki Tomiyama |
| Nationality: | Japanese |
| Birth Date: | 16 November 1957 |
| Birth Place: | Ibaraki, Ibaraki Prefecture, Japan |
| Occupation: | Retired wrestler |
| Height: | 5.25 (1.6 m) [1] |
| Weight: | 126 lbs (57 kg) |
| Sport: | wrestling |
| Rank: | Gold |
| Event: | 1984 Olympics |
| Coaching: | 2004 Athens Olympics wrestling team |
| Show-Medals: | yes |
represented Japan in wrestling at the 1984 Olympics in Los Angeles, and won the gold medal in the bantamweight division.
He later coached the 2004 Athens Olympics wrestling team. He is currently the head coach of the Nihon University wrestling team.