Last name Inuma (Inuma 
) , in all the world, is quite a common surname. The cognomen Inuma is habitual in Latin America and the Caribbean, particularly Peru, where it is quite a common surname, Bolivia, where it is a rare surname, and Colombia. Measured by absolute frequency, this name is the most popular in Peru, India, and Brazil. Much less frequently, Inuma is the forename as well as the last name.