Last name Kousman (Kousman 
) , in the world, is a very rare surname. The last name Kousman is characteristic of Netherlands, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, Kousman is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kousman | Netherlands, South Africa, United States |