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