Kačinskas
{{Lithuanian family name|m=Kačinskas|fm=Kačinskienė|fu=Kačinskaitė}}
Kačinskas is a Lithuanian language family name. It corresponds to Polish language surname Kaczyński.
The surname may refer to:
- Jeronimas Kačinskas (1907–2005), Lithuanian composer
- Virgilijus Kačinskas (born 1959), Lithuanian politician
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{{DEFAULTSORT:Kacinskas}}