Across the world, Юнассон (Jonasson 
, Юнассон 
) is a very rare largely masculine, but infrequently female forename. The forename Юнассон is characteristic of Iceland, where it is quite a common boy's name, Sweden, where it is a rare boy's name, and China, where it is an extremely rare female name. Predominantly, Юнассон is the last name as well as the forename.