Last name Kozutsumi (Kozutsumi 
) , in the world, is a rare cognomen. The surname Kozutsumi is habitual in Eastern Asia, particularly Hong Kong, where it is a rare surname, and Japan. Much less frequently, Kozutsumi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kozutsumi | China, Hong Kong, Japan |