Last name Katsumaru (Katsumaru 
) , around the globe, is a very rare surname. The last name Katsumaru is habitual in Japan, where it is a very rare surname, Spain, where it is an extremely rare surname, and India. Much less frequently, Katsumaru is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Katsumaru | Japan, China, Spain, India, Brazil |
| katsumaru kurihara (b. 1919) |
|