Cognomen ریمان (Riman 
, Riemann 
, ریمان) , across the world, is a common surname. The family name ریمان is characteristic of Lebanon, where it is quite a rare surname, Germany, and Denmark. Measured by absolute frequency, the name is most common in Germany, Indonesia, and the United States. Likewise, ریمان is the forename as well as the last name.