Surname Baltrūnaitė (Baltrūnaitė 
) , all over the world, is a very rare last name. The surname Baltrūnaitė is habitual in Northern Europe, particularly Lithuania, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Baltrūnaitė | Lithuania |
| laimė baltrūnaitė Lithuanian judge, LT (b. 1952) |
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| laima baltrūnaitė researcher (ORCID 0000-0002-2059-4884) |
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| justina baltrūnaitė Lithuanian association football player, LT (b. 1999) |
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