Surname Куста (Kusta 
, Kustaa 
, Куста 
) , in the entire world, is a rare family name. The cognomen Куста is habitual in Namibia, where it is quite a rare surname, Albania, and Czechia. Not in comparison with a country's population, it is commonest in Namibia, Czechia, and India. More frequently, Куста is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kusta | Poland, Czechia, United States, Albania, India |
| Kustaa | Namibia, South Africa, Chile, United States, Finland |
| Куста | Russia |
| Qusta | Canada, Germany, United States, Honduras |