Family name Jankauskas (Jankauskas 
, Янкаускас 
) , in the entire world, is quite a common surname. The last name Jankauskas is characteristic of Northern Europe, particularly Lithuania, where it is a common surname, Latvia, where it is quite a rare surname, and Ireland. Measured by absolute frequency, this name is the most popular in Lithuania, the United States, and Russia.
| VARIANT | COUNTRY |
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| Jankauskas | Brazil, Latvia, Lithuania, United States, United Kingdom |
| Янкаускас | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
Jankausks, and Йанкаускас
| platonas jankauskas (b. 1860) |
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| augustinas jankauskas Lithuanian composer, LT (b. 1875) |
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| jonas antanas jankauskas (b. 1885) |
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| vladas jankauskas cyclist, LT (b. 1903) |
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| mykolas jankauskas Lithuanian university teacher, LT (b. 1905) |
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| kazys jankauskas Lithuanian writer (1906-1996), LT (b. 1906) |
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| steponas jankauskas LT (b. 1898) |
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| stasys jankauskas LT (b. 1899) |
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| juozas jankauskas (b. 1900) |
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| bronius jankauskas association football player (1913-1992) (b. 1913) |
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| antanas jankauskas LT (b. 1910) |
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| vladas jankauskas Lithuanian artist (1923-1983), LT (b. 1923) |
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| domas jankauskas Lithuanian poet, LT (b. 1928) |
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| bronislovas jankauskas Lithuanian composer, LT (b. 1936) |
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| jonas petras jankauskas Lithuanian rower and rowing official, LT (b. 1938) |
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