Last name Кирс (Kirs 
, Kyrs 
, Кирс 
) , around the globe, is quite a rare surname. The cognomen Кирс is habitual in Estonia, where it is quite a common surname, Czechia, where it is quite a rare surname, and Hungary, where it is a rare surname. Measured by absolute frequency, it most frequently occurs in Estonia, Turkey, and Czechia. Very seldom, Кирс is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kirs | Myanmar, Estonia, Czechia, Turkey, Hungary |
| Kyrs | Germany, Czechia, United States, Italy |
| Кирс | Russia, Kazakhstan, Ukraine |
| кирс, урмас Estonian footballer, EE (b. 1966) |
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| кирс, валло Estonian actor, EE (b. 1987) |
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