Family name Ivantsou (Ivantsou 
, Ивантсоу 
) , in the world, is a very rare cognomen. The family name Ivantsou is habitual in Greece, where it is a very rare surname, Russia, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ivantsou | Greece, United States |
| Ивантсоу | Russia |
| viachaslau ivantsou |
|