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, India, United States, Albania, Czechia |
| Kustaa | Chile, South Africa, United States, Finland, Namibia |
| Куста | Russia |
| Qusta | Honduras, Germany, United States, Canada |