Cognomen Kitabun (Kitabun 
) , in the world, is a rare last name. The surname Kitabun is habitual in Japan, where it is a rare surname, Thailand, where it is a very rare surname, and India, where it is an extremely rare surname. Much more frequently, Kitabun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kitabun | Japan, India, Thailand, Philippines |