Last name Bonsevich (Bonsevich 
, Бонсевич 
) , around the world, is a rare cognomen. The surname Bonsevich is characteristic of Ukraine, where it is a rare surname, Russia, where it is a very rare surname, and Argentina, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Bonsevich | Argentina |
| Бонсевич | Ukraine, Russia |