Family name Kaibunna (Kaibunna 
) , throughout the world, is a very rare last name. The cognomen Kaibunna is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, Kaibunna is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kaibunna | Thailand, India |