Last name Koogan (Koogan 
) , globally, is a very rare surname. The last name Koogan is habitual in Australia, where it is a very rare surname, the United States, where it is an extremely rare surname, and Brazil. More prevalently, Koogan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Koogan | Brazil, Malaysia, Australia, United States, South Africa |
| abraham koogan Brazilian publisher, BR (b. 1912) |
|