Last name סרדן (Cerdan 
, סרדן 
) , worldwide, is a common cognomen. The surname סרדן is habitual in Peru, where it is quite a common surname, Argentina, where it is quite a rare surname, and Spain. Not in comparison with a country's population, it is the most numerous in Peru, Argentina, and France. Very seldom, סרדן is the forename as well as the last name.