Cognomen Simanaitis (Simanaitis 
, Симанайтис 
) , all around the world, is a rare family name. The family name Simanaitis is characteristic of Lithuania, where it is quite a rare surname, Poland, where it is a very rare surname, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Simanaitis | United Kingdom, Poland, United States, Lithuania |
| Симанайтис | Russia |
| edmundas simanaitis Lithuanian politician (1929-2017), LT (b. 1929) |
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| dennis joseph simanaitis Ph.D. Case Western Reserve University 1969 |
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| donatas simanaitis kickboxing promoter |
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