Cognomen Oswan (Oswan 
) , across the world, is a very rare family name. The surname Oswan is habitual in Nicaragua, where it is a rare surname, Honduras, and Indonesia, where it is a very rare surname. Likewise, Oswan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Oswan | Honduras, India, Indonesia, United States, Nicaragua |
| johan oswan volleyball player (b. 1972) |
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