Family name หนู่ (Nu 
, หนู่) , in all the world, is a widespread cognomen. The cognomen หนู่ 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. Measured by absolute frequency, it is the most numerous in Myanmar, Mongolia, and China. Likewise, หนู่ is the forename as well as the last name.