Family name Kusti (Kusti 
, كوستي 
, Юхо 
) , all around the world, is quite a common last name. The last name Kusti is habitual in Sudan, where it is quite a common surname, Belarus, where it is quite a rare surname, and Saudi Arabia, where it is a rare surname. Measured by absolute frequency, it is the most numerous in Sudan, India, and Indonesia. Much less frequently, Kusti is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kusti | Finland, India, Sudan, Indonesia, Malaysia |
| كوستي | Sudan, Saudi Arabia, Palestinian Territory |
| Юхо | Kazakhstan, Russia, Belarus, Kyrgyzstan |
| Кусти | Russia, Ukraine |