Cognomen Auru (Auru 
) , across the world, is a rare family name. The last name Auru is habitual in Papua New Guinea, where it is quite a rare surname, Finland, where it is a rare surname, and Nigeria, where it is an extremely rare surname. Measured by absolute frequency, this name is the most popular in Papua New Guinea, India, and Finland. Also, Auru is the forename as well as the last name.