In all the world, Kelsa (Kelsa 
, Кельса 
) is a rare mostly girly, but infrequently boy's given name. The given name Kelsa is characteristic of the United States, where it is a very rare predominantly girly, but very infrequently boy's name, the United Kingdom, where it is a very rare girly name, and Brazil, where it is an extremely rare epicene name. Not in comparison with a country's population, this name is the most popular in the United States, India, and the United Kingdom. Also, Kelsa is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Kelsa | Brazil, United Kingdom, India, United States, Ethiopia |
| Кельса | Russia, Ukraine |