Family name Costica (Costica 
, Costică ) , throughout the world, is quite a common cognomen. The surname Costica is habitual in Romania, where it is quite a common surname, Azerbaijan, where it is quite a rare surname, and Spain, where it is a rare surname. In absolute terms, the name is most common in Romania, Italy, and Spain. Likewise, Costica is the forename as well as the last name.