Surname Kaluu (Kaluu 
) , across the world, is a rare family name. The last name Kaluu is characteristic of Kenya, where it is a rare surname, India, where it is a very rare surname, and Malaysia, where it is an extremely rare surname. Not in comparison with a country's population, it most frequently occurs in India, Kenya, and Nigeria. More frequently, Kaluu is the forename as well as the last name.