Surname Saiyadat (Saiyadat 
) , in the world, is a rare family name. The family name Saiyadat is characteristic of India, where it is a very rare surname, and Nigeria, where it is an extremely rare surname. Much less frequently, Saiyadat is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Saiyadat | India, Nigeria |