Family name Серф (Cerf 
, Serf 
, Серф 
) , all around the world, is quite a rare surname. The family name Серф is habitual in Western Europe, particularly Luxembourg, where it is quite a rare surname, France, and Switzerland. In absolute terms, this name is the most popular in France, the United States, and Germany. Much less frequently, Серф is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cerf | Germany, Switzerland, United States, France, Peru |
| Serf | Germany, South Africa, Nigeria, United States, France |
| Серф | Russia |
| Serfs | France |