Surname فيلكس (Felix 
, فيلكس 
, Felicis 
) , throughout the world, is a prevalent cognomen. The surname فيلكس is habitual in Latin America and the Caribbean, particularly Saint Lucia, where it is a common surname, Grenada, and Nicaragua (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in Mexico, Nigeria, and Brazil. Also, فيلكس is the forename as well as the last name.