Family name Vanclef (Vanclef 
) , globally, is a rare cognomen. The cognomen Vanclef is habitual in Belgium, where it is a rare surname, France, and Argentina, where it is an extremely rare surname. Not in comparison with a country's population, it is commonest in France, Belgium, and the United States. More prevalently, Vanclef is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Vanclef | Belgium, United States, Argentina, France, Democratic Republic of the Congo |