Family name Kačinskas (Kačinskas 
, Качинскас 
) , all around the world, is a very rare cognomen. The cognomen Kačinskas is habitual in Lithuania, where it is quite a rare surname, Ukraine, where it is an extremely rare surname, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Kačinskas | Lithuania |
| Качинскас | Ukraine, Russia |
| juozas kačinskas LT (b. 1857) |
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| henrikas kačinskas Lithuanian actor (1903-1986), LT (b. 1903) |
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| enrikas kačinskas Lithuanian actor, LT (b. 1948) |
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| virgilijus kačinskas Lithuanian politician, LT (b. 1959) |
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| rimantas kačinskas LT (b. 1953) |
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| kęstutis kačinskas LT (b. 1955) |
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| rolandas kačinskas Lithuanian diplomat, LT (b. 1971) |
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| irmantas kačinskas (b. 1992) |
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