Family name Kokuma (Kokuma 
) , across the world, is quite a common cognomen. The last name Kokuma is habitual in Japan, where it is quite a rare surname, Ghana, where it is a rare surname, and Nigeria, where it is a very rare surname. Very seldom, Kokuma is the forename as well as the last name.
Shin, Toshiaki, Theodora, Latricia, Reginald, Kazuyuki, Benjamin, Masayuki, Masanori, Hiroshi, Jeffrey, Richard, Comfort, Atsushi, Michael, Yoshio, Walter, Franca, Paul, Eric, Eiwa, Masao, Kaliq, Kaoru, Nirokunen, Erika, Haruo, Felix, Martin, Bertha, Julius, Hiroki, Ewoedzine, and Toshihiro