Last name Kupse (Kupse 
) , worldwide, is a rare cognomen. The family name Kupse is habitual in Northern Europe, particularly Latvia, where it is quite a rare surname, Estonia, where it is a rare surname, and the United Kingdom, where it is a very rare surname. Not in comparison with a country's population, it most frequently occurs in India, Latvia, and the United Kingdom. Much less frequently, Kupse is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kupse | India, United States, Latvia, United Kingdom, Estonia |