Hiroko Yamasaki

Hiroko Yamasaki (山崎 浩子, Yamasaki Hiroko; born January 3, 1960, Minamikyushu, Kagoshima) is a retired Japanese rhythmic gymnast.

After enrolling at the Tokyo Women's College of Physical Education, Yamasaki became a five-time national champion. 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. Yamasaki retired the same year.

After finishing her competitive career, Yamasaki began coaching as well as working as a sports writer. She became a training director for the Japan Gymnastics Association in 2004, a position she held until 2021, and directed the national group, which won a silver medal at the 2019 World Championships.