Last name Iavar (Явар 
, Iavar 
, Иавар ) , around the globe, is a very rare cognomen. The surname Iavar is characteristic of Georgia, where it is a rare surname, Belarus, and Kyrgyzstan, where it is a very rare surname. In absolute terms, this name is the most popular in Georgia, Belarus, and Ukraine. More frequently, Iavar is the forename as well as the last name.