Cognomen Iboyka (Iboyka 
) , throughout the world, is an extremely rare last name. The last name Iboyka is habitual in Latin America and the Caribbean, particularly Venezuela, where it is an extremely rare surname. Much more prevalently, Iboyka is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Iboyka | United States, Romania, Venezuela |