Last name Koemans (Koemans 
) , globally, is a rare surname. The cognomen Koemans is characteristic of Netherlands, where it is quite a rare surname, the United Kingdom, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, Koemans is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Koemans | United Kingdom, Brazil, United States, Spain, Netherlands |
| ton koemans Dutch basketball player, NL (b. 1901) |
|
|
| hubertus m. arnoldus n. koemans NL (b. 1910) |
|
|
| tom s koemans researcher |
|
|
| willem koemans researcher (ORCID 0000-0003-0101-081X) |
|