Last name 科赞 (Cozan 
, 科赞 
) , around the world, is quite a rare cognomen. The surname 科赞 is habitual in Romania, where it is quite a rare surname, Morocco, and Ireland, where it is a rare surname. Not in comparison with a country's population, it is commonest in Romania, Morocco, and France. Very seldom, 科赞 is the forename as well as the last name.