Cognomen Koesman (Koesman 
) , across the world, is a rare family name. The cognomen Koesman is characteristic of Indonesia, where it is a rare surname, Netherlands, where it is a very rare surname, and Malaysia. Likewise, Koesman is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Koesman | Netherlands, Malaysia, Indonesia, United Kingdom |
| aboeng koesman ID (b. 1925) |
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| koesri astuti binti koesman Indonesian political candidate, ID |
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