Surname Baltaduonyte (Baltaduonyte 
) , in the world, is a very rare family name. The cognomen Baltaduonyte is habitual in Northern Europe, particularly Lithuania, where it is a rare surname, Norway, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Baltaduonyte | Norway, Lithuania, United Kingdom |