Cognomen Kousma (Kousma 
) , around the globe, is a rare last name. The cognomen Kousma is characteristic of the Democratic Republic of the Congo, where it is a rare surname, and the United States, where it is an extremely rare surname. Very seldom, Kousma is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kousma | India, United States, Democratic Republic of the Congo |