Family name Tahr (طاهر 
, Tahr 
, طآهر ) , around the globe, is a common surname. The family name Tahr is habitual in Libya, where it is quite a common surname, Yemen, and Sudan (explore the name in all countries). In absolute terms, it is commonest in Egypt, Sudan, and Yemen. More frequently, Tahr is the forename as well as the last name.