Cognomen Leysy (Leysy 
) , around the world, is a very rare surname. The cognomen Leysy 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 Mexico. Not in comparison with a country's population, it is the most numerous in Latin America and the Caribbean, particularly Mexico, Honduras, and Venezuela. Also, Leysy is the forename as well as the last name.