| Hiroko Yamasaki | |
| Country: | Japan |
| Birth Date: | 3 January 1960 |
| Birth Place: | Minamikyushu, Kagoshima Prefecture, Japan |
| Height: | 153 cm |
| Weight: | 43 kg |
| Discipline: | Rhythmic gymnastics |
| Level: | Senior international |
| Show-Medals: | yes |
is a retired Japanese rhythmic gymnast.
She competed for Japan in the individual rhythmic gymnastics all-around competition at the 1984 Olympic Games in Los Angeles. She tied for 9th place in the qualification round and advanced to the final, placing 8th overall.[1]