Surname กุ๊บ (Kup 
, Landau 
, กุ๊บ) , globally, is a common cognomen. The family name กุ๊บ is characteristic of Israel, where it is quite a rare surname, Panama, and Papua New Guinea. Not in comparison with a country's population, the name is most common in the United States, Germany, and France. Very seldom, กุ๊บ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kup | Israel, India, France, Germany, United States |
| Landau | United Kingdom, Israel, France, Germany, United States |
| Kkub | Thailand |