Surname กู่ (Ku 
, Khu 
, กู่) , globally, is a widespread family name. The cognomen กู่ is habitual in Macao, where it is a common surname, Hong Kong, where it is quite a common surname, and Bermuda (explore the name in all countries). Measured by absolute frequency, the name is most common in India, Mexico, and Myanmar. More prevalently, กู่ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ku | Mexico, China, India, Myanmar, Indonesia |
| Khu | Malaysia, China, India, Myanmar, Indonesia |