Surname Костовска (Kostovska 
, Костовска 
) , around the globe, is quite a rare cognomen. The surname Костовска is habitual in North Macedonia, where it is quite a common surname, Bulgaria, where it is quite a rare surname, and Slovenia, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in North Macedonia, Bulgaria, and Russia. Much less frequently, Костовска is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kostovska | North Macedonia, Bulgaria, United States, Australia, Slovenia |
| Костовска | Ukraine, Russia, Bulgaria |
| стојна костовска Macedonian actress, MK (b. 1945) |
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| ана костовска Macedonian actress, MK (b. 1963) |
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