Family name جواب (Joab 
, جواب 
, Жоп) , across the world, is quite a rare surname. The family name جواب is characteristic of Guadeloupe, where it is quite a common surname, Estonia, where it is quite a rare surname, and Uganda. Measured by absolute frequency, it is the most numerous in Mexico, Nigeria, and Uganda. More frequently, جواب is the forename as well as the last name.