Family name Kaeul (Kaeul 
) , all over the world, is a very rare cognomen. The last name Kaeul is habitual in Eastern Asia, particularly China, where it is an extremely rare surname. Much more prevalently, Kaeul is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kaeul | China, South Korea, Brazil, United States |