Cognomen Kaica (Kaica 
) , around the world, is a rare last name. The surname Kaica is characteristic of Croatia, where it is a rare surname, Georgia, where it is a very rare surname, and India, where it is an extremely rare surname. Not in comparison with a country's population, it most frequently occurs in India, Croatia, and the United States. Likewise, Kaica is the forename as well as the last name.