Last name كوسيلا (Kosela 
, Kocela 
, Kossela 
) , across the world, is quite a rare cognomen. The family name كوسيلا is habitual in Poland, where it is quite a rare surname, Slovakia, where it is a rare surname, and Latvia. In absolute terms, it is commonest in Poland, Germany, and the United States. Also, كوسيلا is the forename as well as the last name.