Cognomen Френцен (Frentzen 
, Френцен 
) , around the globe, is a rare last name. The cognomen Френцен is characteristic of Germany, where it is a rare surname, Austria, and New Zealand, where it is a very rare surname. In absolute terms, it is the most numerous in Germany, the United States, and Indonesia. Very seldom, Френцен is the forename as well as the last name.