Cognomen เยนา (Yena 
, เยนา 
) , all around the world, is a common family name. The surname เยนา is habitual in Togo, where it is quite a rare surname, South Korea, and the Democratic Republic of the Congo, where it is a rare surname. Measured by absolute frequency, it most frequently occurs in India, South Korea, and the Democratic Republic of the Congo. Likewise, เยนา is the forename as well as the last name.