Family name Лукаускас (Лукаускас 
) , in the entire world, is a very rare cognomen. The surname Лукаускас is habitual in Belarus, where it is a very rare surname, Kazakhstan, and Ukraine. Not in comparison with a country's population, this name is the most popular in Eastern Europe, particularly Ukraine, Russia, and Belarus.
| VARIANT | COUNTRY |
|---|---|
| Лукаускас | Kazakhstan, Ukraine, Belarus, Russia |
| лукаускас, йонас вильгельмович politician (1935-2009), LT (b. 1935) |
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