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| Medal record | ||
|---|---|---|
Representing  Japan
| ||
| Women's Judo | ||
| World Championships | ||
 |
1997 Paris | +72 kg |
|
1999 Birmingham | Open |
 |
1997 Paris | Open |
|
1999 Birmingham | +78 kg |
| Asian Games | ||
|
1998 Bangkok | +78 kg |
Miho Ninomiya (二宮 美穂, Ninomiya Miho, born August 22, 1975 in Kikuchi District, Kumamoto) is a female Japanese judoka. She started Judo at the age of 14.[1] She won All-Japan judo championships 2 times（1997–1998. She has also won silver and bronze medals at the 1997 and 1999 World Judo Championships. However, she was defeated at the Olympic trials so she could not participate in the 2000 Olympics.