Family name Balnionis (Balnionis 
) , in all the world, is a very rare last name. The family name Balnionis is habitual in Lithuania, where it is a rare surname, Australia, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. Not in comparison with a country's population, it is commonest in Lithuania, Australia, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Balnionis | Australia, United States, United Kingdom, Lithuania |