| Hiroko Otsuka | |
|---|---|
| Country represented |  Japan |
| Born | March 8, 1967 Ehime Prefecture, Japan |
| Height | 159 cm (5 ft 3 in) |
| Weight | 46 kg (101 lb) |
| Discipline | Rhythmic gymnastics |
| Level | Senior international |
Hiroko Otsuka (Japanese: 大塚 裕子, Ōtsuka Hiroko, born March 8, 1967, Ehime) is a retired Japanese rhythmic gymnast.
She competed for Japan in the individual rhythmic gymnastics all-around competition at the 1988 Olympic Games in Seoul. She tied for 27th place in the qualification round and didn't advance to the final.[1]