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 | Lebanon, Algeria, Bangladesh, Egypt, India |
| Sadeq | Iran, Algeria, Bangladesh, Egypt, India |
| Sadegh | Iran, Saudi Arabia, Iraq, United States, India |
| Садек | Ukraine, Russia, Kazakhstan, Belarus |