Cognomen 谷宏子 (谷宏子 
) , in all the world, is a very rare last name. The last name 谷宏子 is characteristic of Eastern Asia, particularly China, where it is an extremely rare surname. More prevalently, 谷宏子 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 谷宏子 | China |