Cognomen יאסון (Ioane 
, יאסון 
) , across the world, is quite a rare surname. The surname יאסון is habitual in Georgia, where it is quite a common surname, Fiji, where it is quite a rare surname, and New Zealand. In absolute terms, it is the most numerous in Georgia, the United States, and Australia. Also, יאסון is the forename as well as the last name.