Family name อรุณสุข (Aroonsuk 
, Arunsuk , อรุณสุข ) , globally, is a very rare last name. The cognomen อรุณสุข is habitual in Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname. Likewise, อรุณสุข is the forename as well as the last name.