Last name Martynaitis (Martynaitis 
) , in all the world, is a very rare surname. The surname Martynaitis is characteristic of Lithuania, where it is quite a rare surname, Argentina, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Martynaitis | Lithuania, United States, Argentina |
| antanas martynaitis (b. 1821) |
|
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| vytas martynaitis researcher (ORCID 0000-0003-1147-6584) |
|