Cognomen Rèm (Рэм 
, Rèm 
) , worldwide, is a very rare family name. The cognomen Rèm is habitual in Tunisia, where it is a rare surname, Kyrgyzstan, where it is a very rare surname, and Russia, where it is an extremely rare surname. In absolute terms, this name is the most popular in Tunisia, Russia, and Vietnam. More prevalently, Rèm is the forename as well as the last name.