Surname Balthassar (Balthassar 
) , worldwide, is an extremely rare family name. The last name Balthassar is habitual in Malaysia, where it is an extremely rare surname, and Germany.
| VARIANT | COUNTRY |
|---|---|
| Balthassar | Malaysia, Germany |
Balcer, Baldassare, Baldassarre, Balsazar, Baltasar, Baltazar, Baltazár, Balthasar, Balthazar, Balthazard, Balthazaro, Baltsar, Baltzar, Boldizsar, Boldizsár, Boltezar, Boltežar, Балтазар, Бальтазар, and Болдижар