Surname 谷子 (谷子 
, Guzi 
) , in the world, is quite a rare last name. The last name 谷子 is characteristic of Albania, where it is quite a rare surname, Slovakia, and Hungary. Measured by absolute frequency, it is the most numerous in Albania, South Africa, and the United States. Also, 谷子 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 谷子 | China |
| Guzi | Brazil, Albania, United States, South Africa, Hungary |