| Hiroyuki Tominaga | |
| Birth Date: | 7 October 1973 |
| Birth Place: | Kyoto |
| Height Ft: | 6 |
| Height In: | 11 |
| Weight Lb: | 231 |
| Nationality: | Japanese |
| High School: | Rakunan |
| College: | Nihon University |
| Years1: | 1996–2006 |
| Team1: | Mitsubishi Electric |
is a former Japanese basketball player.[1]
He is the father of Keisei Tominaga, who plays for the Nebraska Cornhuskers and was a member of the Japan men's national basketball team.[2]