Last name Iuna (Юна 
, Iuna 
) , around the world, is a rare surname. The cognomen Iuna is habitual in Georgia, where it is a rare surname, Malaysia, and Kyrgyzstan, where it is a very rare surname. Not in comparison with a country's population, the name is most common in China, Malaysia, and Russia. More prevalently, Iuna is the forename as well as the last name.