Family name אולוס (Aulus 
, אולוס 
) , around the globe, is a very rare surname. The cognomen אולוס is habitual in Israel, where it is a rare surname, France, where it is a very rare surname, and Malaysia, where it is an extremely rare surname. Measured by absolute frequency, the name is most common in France, China, and Israel. More frequently, אולוס is the forename as well as the last name.