Family name Kithen (Kithen 
) , all over the world, is a very rare surname. The family name Kithen is habitual in Thailand, where it is a very rare surname, the United Kingdom, where it is an extremely rare surname, and the United States. Very seldom, Kithen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kithen | United States, United Kingdom, Thailand, South Africa |