Surname 延斯 (Jens 
, Jans , 延斯 
) , worldwide, is a common family name. The family name 延斯 is habitual in Western Europe, particularly Belgium, where it is quite a common surname, Netherlands, and Luxembourg. Not in comparison with a country's population, it is the most numerous in Western Europe, particularly Germany, Belgium, and Netherlands. More frequently, 延斯 is the forename as well as the last name.