Surname Kacap (Кацап 
, Kacap 
) , across the world, is a rare family name. The last name Kacap is habitual in Eastern Europe, particularly Ukraine, where it is a rare surname, Belarus, and Russia, where it is a very rare surname. Not in comparison with a country's population, it most frequently occurs in Ukraine, Russia, and India. Very seldom, Kacap is the forename as well as the last name.