Cognomen 谷谷 (谷谷 
) , across the world, is a very rare family name. The last name 谷谷 is habitual in Eastern Asia, particularly China, where it is an extremely rare surname. More frequently, 谷谷 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 谷谷 | China |