Cognomen Ikada (Ikada 
) , in the entire world, is quite a common surname. The cognomen Ikada is habitual in Japan, where it is quite a rare surname, Indonesia, where it is a very rare surname, and Nigeria, where it is an extremely rare surname. Not in comparison with a country's population, it most frequently occurs in Japan, Indonesia, and India. Much less frequently, Ikada is the forename as well as the last name.