Family name Бонзак (Bonsack 
, Bohnsack , Бонзак 
) , around the world, is quite a rare surname. The cognomen Бонзак is habitual in Germany, where it is quite a rare surname, Switzerland, where it is a rare surname, and the United States. Not in comparison with a country's population, this name is the most popular in Germany, the United States, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Bohnsack, Bonsack | Germany, Australia, Switzerland, United States, Canada |
| Бонзак | Ukraine |