| Country: | Japan |
| Weight Class: | 70 kg |
| Worlds Rank: | 3 |
| Worlds Year: | 2009 |
| Regionals Type: | AS |
| Regionals Rank: | 1 |
| Regionals Year: | 2005 |
| Updated: | 5 September 2023 |
is a Japanese judoka.
Watanabe is from Mito, Ibaraki. After graduation from high school, she worked for Komatsu Limited.
Watanabe won the bronze medal in the Middleweight (70 kg) division at the 2009 World Judo Championships.