| Tani otoshi | |
|---|---|
 | |
| Classification | Nage-waza |
| Sub classification | Sutemi-waza |
| Kodokan | Yes |
| Technique name | |
| Rōmaji | Tani-otoshi |
| Japanese | 谷落 |
| English | Valley drop |
| Korean | 오금 대떨어뜨리기 |
Tani otoshi (谷落) is one of the original 40 throws of Judo as developed by Kano Jigoro. It belongs to the fourth group of the traditional throwing list in the Gokyo no waza of the Kodokan Judo. It is also part of the current 67 Throws of Kodokan Judo. It is classified as a side sacrifice technique (yoko-sutemi).