Family name แจ๊ส (Jaz 
, Jazz , Jacz 
) , globally, is quite a common surname. The surname แจ๊ส is habitual in Brunei, where it is quite a rare surname, United Arab Emirates, and Qatar. Measured by absolute frequency, it is the most numerous in Indonesia, Saudi Arabia, and Morocco. Also, แจ๊ส is the forename as well as the last name.