Last name Руни (Runi 
, Rooney 
, Руни 
) , around the world, is a common cognomen. The cognomen Руни is characteristic of Northern Europe, particularly Ireland, where it is quite a common surname, Isle of Man, and Jersey (explore the name in all countries). Not in comparison with a country's population, the name is most common in the United States, the United Kingdom, and Ireland. Also, Руни is the forename as well as the last name.