Surname Seyamack (Seyamack 
) , in all the world, is an extremely rare family name. Much more prevalently, Seyamack is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Seyamack | United States, New Zealand |
Adjori, Afzali, Jafari, Kouretchian, and Shafazand