Cognomen 欧尔 (Ore 
, Oale 
, 欧尔 
) , all over the world, is a common surname. The surname 欧尔 is characteristic of Peru, where it is quite a common surname, Latvia, where it is quite a rare surname, and Norway. In absolute terms, it is the most numerous in Peru, Nigeria, and Philippines. Much less frequently, 欧尔 is the forename as well as the last name.