Surname Aasna (Aasna 
) , across the world, is a rare family name. The last name Aasna is habitual in Estonia, where it is quite a rare surname, Finland, where it is a very rare surname, and Thailand, where it is an extremely rare surname. Not in comparison with a country's population, it most frequently occurs in Estonia, India, and Thailand. More frequently, Aasna is the forename as well as the last name.