Throughout the world, คูเปอร์ (Couper 
, Kuppers 
, คูเปอร์ 
) is a very rare epicene first name. The forename คูเปอร์ is characteristic of Australia and New Zealand, particularly Australia, where it is a very rare masculine name. Predominantly, คูเปอร์ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Couper | United Kingdom, Australia, Canada, United States, New Zealand |
| Kuppers | United Kingdom, Australia, Netherlands, Canada, United States |
| คูเปอร์ | Thailand |
| Coopper | United Kingdom, Brazil, Canada, United States, New Zealand |