Cognomen Atrar (Atrar 
) , around the world, is a rare last name. The cognomen Atrar is habitual in Morocco, where it is a rare surname, Netherlands, where it is a very rare surname, and Spain, where it is an extremely rare surname. Measured by absolute frequency, it is the most numerous in Morocco, India, and Netherlands. Much less frequently, Atrar is the forename as well as the last name.