Family name Lēns (Lensa 
, Lens 
, Lent 
) , throughout the world, is a common last name. The surname Lēns is habitual in Suriname, where it is quite a common surname, Belgium, and Netherlands. Measured by absolute frequency, it is commonest in the United States, Ethiopia, and Netherlands. Very seldom, Lēns is the forename as well as the last name.