Cognomen 神波 (神波 
, Kannami 
) , in all the world, is quite a rare family name. The last name 神波 is characteristic of Japan, where it is quite a rare surname, Nigeria, where it is a very rare surname, and Brazil, where it is an extremely rare surname. Measured by absolute frequency, the name is most common in Japan, Nigeria, and India. Very seldom, 神波 is the forename as well as the last name.