Family name Yasub (Yasub 
, ยะสืบ ) , in all the world, is a rare last name. The family name Yasub is habitual in Thailand, where it is a rare surname, Hungary, where it is a very rare surname, and Israel. Measured by absolute frequency, it is the most numerous in Thailand, India, and Pakistan. More frequently, Yasub is the forename as well as the last name.