Cognomen Cayam (Cayam 
) , in all the world, is a very rare family name. The last name Cayam is habitual in Malaysia, where it is a very rare surname, Philippines, where it is an extremely rare surname, and India. Also, Cayam is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cayam | Brazil, Malaysia, India, Philippines |