Cognomen 泽夫 (Zefu 
, 泽夫 , Zeff 
) , around the globe, is a rare surname. The last name 泽夫 is characteristic of the United States, where it is a rare surname, the United Kingdom, and Australia, where it is a very rare surname. Measured by absolute frequency, this name is the most popular in the United States, China, and Indonesia. More frequently, 泽夫 is the forename as well as the last name.