Last name ולנס (Wellens 
, ולנס 
) , all over the world, is quite a rare cognomen. The surname ולנס is habitual in Western Europe, particularly Belgium, where it is quite a common surname, Netherlands, where it is quite a rare surname, and Luxembourg. Measured by absolute frequency, it is commonest in Belgium, the United States, and Germany. Very seldom, ולנס is the forename as well as the last name.