Surname Nyei (Nyei 
, เนีย 
) , in all the world, is a rare cognomen. The last name Nyei is habitual in Liberia, where it is quite a common surname, Myanmar, where it is a rare surname, and Malaysia, where it is a very rare surname. Measured by absolute frequency, it is commonest in Liberia, Myanmar, and the United States. Much less frequently, Nyei is the forename as well as the last name.