Family name คูเปอร์ (Couper 
, Kuppers 
, คูเปอร์ 
) , throughout the world, is quite a rare last name. The cognomen คูเปอร์ is habitual in New Zealand, where it is quite a rare surname, Australia, and the United Kingdom. Measured by absolute frequency, this name is the most popular in the United Kingdom, Australia, and the United States. Much less frequently, คูเปอร์ is the forename as well as the last name.
| 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 |