Family name Benadia (Benadia 
) , around the globe, is a very rare last name. The last name Benadia is habitual in Argentina, where it is a rare surname, Israel, where it is a very rare surname, and France, where it is an extremely rare surname. Measured by absolute frequency, it is the most numerous in Argentina, the United States, and France. More frequently, Benadia is the forename as well as the last name.