Cognomen Coçar (Kosa 
, Coçar 
, Coquere) , in the entire world, is a common last name. The cognomen Coçar is habitual in Eastern Europe, particularly Hungary, where it is quite a common surname, Slovakia, and Romania, where it is quite a rare surname. Not in comparison with a country's population, it is the most numerous in Hungary, India, and Pakistan. Likewise, Coçar is the forename as well as the last name.