All around the world, Calain (Calain 
) is an extremely rare epicene first name. Also, Calain is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Calain | United Kingdom, Philippines, United States, India, Democratic Republic of the Congo |
| calain douglas campbell-gray (1934-1994) (b. 1934) |
|