Last name Antonychev (Антонычев 
, Antonychev , Антонышев 
) , in the entire world, is a rare surname. The surname Antonychev is habitual in Belarus, where it is a rare surname, Russia, and Kazakhstan, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Антонычев | Russia, Belarus |
| Antonychev | Russia |
| Антонышев | Kazakhstan, Russia, Belarus |