Cognomen Ouzin (Ouzin 
) , worldwide, is a rare family name. The cognomen Ouzin is habitual in Morocco, where it is a rare surname, Senegal, and New Zealand, where it is a very rare surname. Not in comparison with a country's population, it most frequently occurs in Morocco, Senegal, and France. More frequently, Ouzin is the forename as well as the last name.