Cognomen Iwona (Iwona 
, Ивона 
) , all around the world, is a widespread last name. The family name Iwona is characteristic of Poland, where it is a widespread surname, Bosnia and Herzegovina, where it is quite a rare surname, and Cyprus. Not in comparison with a country's population, it is commonest in Poland, Bosnia and Herzegovina, and Spain. Very seldom, Iwona is the forename as well as the last name.