Cognomen Россон (Rosson 
, Россон 
) , across the world, is quite a rare surname. The family name Россон is habitual in Mauritius, where it is quite a rare surname, the United States, where it is a rare surname, and New Zealand. Not in comparison with a country's population, the name is most common in the United States, Italy, and the United Kingdom. Much less frequently, Россон is the forename as well as the last name.