Cognomen Riven (Rive 
, Riven 
) , throughout the world, is quite a common surname. The family name Riven is characteristic of New Zealand, where it is quite a common surname, Guernsey, and Jersey. Not in comparison with a country's population, this name is the most popular in New Zealand, France, and the United States. Likewise, Riven is the forename as well as the last name.