Cognomen Kaiten (Kaiten 
) , in all the world, is a very rare last name. The last name Kaiten is habitual in Mexico, where it is a very rare surname, Israel, and Spain. Not in comparison with a country's population, it is the most numerous in Mexico, the United States, and Spain. More prevalently, Kaiten is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kaiten | Japan, Spain, Mexico, United States, India |