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Family name Sibal (Sibal , سيبال , Сибал ) , throughout the world, is a common surname. The surname Sibal is habitual in Guam, where it is quite a common surname, Philippines, where it is quite a rare surname, and United Arab Emirates. In absolute terms, it is commonest in Philippines, India, and the United States. Very seldom, Sibal is the forename as well as the last name.