Last name สอบ (Sop 
, สอบ 
, Audt 
) , around the globe, is quite a common surname. The surname สอบ is characteristic of Cameroon, where it is quite a common surname, Guatemala, and Nepal, where it is quite a rare surname. Measured by absolute frequency, it is commonest in Cameroon, Guatemala, and Indonesia. Much less frequently, สอบ is the forename as well as the last name.