Surname Садек (Sadek 
, Sadeq 
, Sadegh 
) , globally, is a widespread family name. The surname Садек is habitual in Bahrain, where it is quite a common surname, Lebanon, and Egypt (explore the name in all countries). Not in comparison with a country's population, it most frequently occurs in Egypt, Bangladesh, and Algeria. Likewise, Садек is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sadek | India, Bangladesh, Algeria, Egypt, Lebanon |
| Sadeq | Iran, India, Bangladesh, Algeria, Egypt |
| Sadegh | Iran, India, Saudi Arabia, Iraq, United States |
| Садек | Belarus, Russia, Kazakhstan, Ukraine |