Family name Yeno (Yeno 
) , all over the world, is quite a rare cognomen. The cognomen Yeno is characteristic of Gabon, where it is quite a common surname, Uruguay, where it is a rare surname, and the Democratic Republic of the Congo. Measured by absolute frequency, it is the most numerous in Gabon, the Democratic Republic of the Congo, and Indonesia. Likewise, Yeno is the forename as well as the last name.