Surname Šajna (Шайна 
, Šajna 
) , globally, is a rare last name. The family name Šajna is characteristic of Slovenia, where it is a rare surname, Ukraine, and Croatia, where it is a very rare surname. In absolute terms, it most frequently occurs in Ukraine, Russia, and Slovenia. Very seldom, Šajna is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Шайна | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Šajna | Slovenia, Croatia |
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anton šajna civil engineer, SI (b. 1941) |
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| mateja šajna researcher |
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| aljoša šajna SI |
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| mateja šajna SI |
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