Cognomen ルヨ (Lujo 
, ルヨ 
) , all over the world, is a rare surname. The cognomen ルヨ is characteristic of Croatia, where it is quite a rare surname, Bolivia, where it is a rare surname, and Hungary, where it is a very rare surname. Measured by absolute frequency, the name is most common in Croatia, Bolivia, and Philippines. Much less frequently, ルヨ is the forename as well as the last name.