Family name Haydam (Haydam 
) , around the world, is a very rare surname. The family name Haydam is characteristic of South Africa, where it is a very rare surname, Germany, where it is an extremely rare surname, and the United States. Very seldom, Haydam is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Haydam | Brazil, Germany, United States, South Africa, India |