Family name Иосифович (Иосифович 
, Yosypovych, Yosyfovych 
) , in the world, is quite a rare last name. The last name Иосифович is habitual in Kazakhstan, where it is quite a rare surname, Czechia, where it is a rare surname, and Russia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Иосифович | Kazakhstan, Russia, Ukraine |
| Yosyfovych | Czechia |
| конрад николай иосифович Russian philologist, orientalist, scholar in Chinese and Japanese studies, RU (b. 1891) |
|