Family name Charoun (เจริญ 
, Charoun 
, Шарун 
) , around the globe, is quite a rare last name. The family name Charoun is characteristic of Thailand, where it is quite a rare surname, Ukraine, and Greece, where it is a rare surname. Measured by absolute frequency, it is the most numerous in Thailand, Ukraine, and Russia. More frequently, Charoun is the forename as well as the last name.