Cognomen Seyidzada (Seyidzada 
) , across the world, is a rare last name. The family name Seyidzada is characteristic of Azerbaijan, where it is quite a rare surname, and the United Kingdom, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Seyidzada | Azerbaijan, United Kingdom |
| mirmehdi seyidzada TM (b. 1907) |
|