Cognomen エヌ (En 
, エヌ 
) , across the world, is a common family name. The cognomen エヌ is habitual in South-eastern Asia, particularly Malaysia, where it is quite a common surname, Singapore, and Brunei, where it is quite a rare surname. Measured by absolute frequency, the name is most common in Malaysia, China, and India. Also, エヌ is the forename as well as the last name.