Last name กุออ (Kuo 
, กุออ 
) , around the world, is a common surname. The family name กุออ is characteristic of Taiwan, where it is a common surname, Cayman Islands, where it is quite a common surname, and Bermuda (explore the name in all countries). In absolute terms, the name is most common in Taiwan, the United States, and China. Much less frequently, กุออ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kuo | Indonesia, China, Taiwan, United States, Canada |
| กุออ | Thailand |