Cognomen นู้ (Nu 
, นู้) , all over the world, is a widespread family name. The family name นู้ is characteristic of Mongolia, where it is a prevalent surname, Myanmar, where it is a common surname, and Macao, where it is quite a common surname. In absolute terms, it is the most numerous in Myanmar, Mongolia, and China. Also, นู้ is the forename as well as the last name.