Surname Mejis (Mejis 
) , throughout the world, is a rare cognomen. The cognomen Mejis is characteristic of Latin America and the Caribbean, particularly El Salvador, where it is quite a rare surname, Guatemala, where it is a rare surname, and the Dominican Republic. Not in comparison with a country's population, it is commonest in Latin America and the Caribbean, particularly El Salvador, Guatemala, and Colombia. Much less frequently, Mejis is the forename as well as the last name.