Surname Ivanis (Ivanis 
, Иванис 
) , across the world, is quite a rare last name. The last name Ivanis is characteristic of Bosnia and Herzegovina, where it is quite a common surname, Serbia, where it is quite a rare surname, and Slovakia. In absolute terms, the name is most common in Serbia, Bosnia and Herzegovina, and Romania. Much less frequently, Ivanis is the forename as well as the last name.