Cognomen Keyni (Keyni 
) , across the world, is a very rare last name. The surname Keyni is characteristic of Latin America and the Caribbean, particularly Honduras, where it is a rare surname, Nicaragua, where it is a very rare surname, and Venezuela. In absolute terms, it is the most numerous in Latin America and the Caribbean, particularly Honduras, Venezuela, and Mexico. Also, Keyni is the forename as well as the last name.