Family name Іван-Антоній (Іван-Антоній 
) , across the world, is an extremely rare cognomen. Much more prevalently, Іван-Антоній is the forename as well as the last name. Parts of the name also exists independently as a first name Іван, and a first name Антоній.
| VARIANT | COUNTRY |
|---|---|
| Іван-Антоній | Ukraine |