Family name تنبل (Dembel 
, Tembel 
, تنبل 
) , in the entire world, is a rare cognomen. The cognomen تنبل is habitual in Ethiopia, where it is a rare surname, Turkey, and Hungary. Measured by absolute frequency, the name is most common in Ethiopia, Turkey, and Indonesia. Likewise, تنبل is the forename as well as the last name.