Last name Yennis (Yennis 
) , all over the world, is quite a rare surname. The surname Yennis is characteristic of Latin America and the Caribbean, particularly Venezuela, where it is quite a rare surname, Nicaragua, where it is a rare surname, and Honduras. Measured by absolute frequency, this name is the most popular in Latin America and the Caribbean, particularly Venezuela, Colombia, and Nicaragua. Also, Yennis is the forename as well as the last name.