Family name ฤาศักดิ์ (ฤาศักดิ์ 
, Ruesak) , worldwide, is a very rare last name. The last name ฤาศักดิ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, ฤาศักดิ์ is the forename as well as the last name.