Family name Koottatep (Koottatep 
) , throughout the world, is a very rare cognomen. The surname Koottatep is habitual in Norway, where it is a rare surname, Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, Koottatep is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Koottatep | United States, China, Thailand, Norway |