Cognomen Calyan (Calyan 
) , in the entire world, is a very rare last name. The family name Calyan is habitual in Australia, where it is a very rare surname, Canada, where it is an extremely rare surname, and Turkey. Also, Calyan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Calyan | Canada, Philippines, United States, Turkey, Australia |