Surname Salahddin (Salahddin 
) , across the world, is a very rare cognomen. The family name Salahddin is characteristic of Morocco, where it is a rare surname, Malaysia, where it is an extremely rare surname, and Venezuela. Measured by absolute frequency, it is the most numerous in Morocco, Malaysia, and India. More frequently, Salahddin is the forename as well as the last name.