Surname صدوق (صدوق 
, Sadouk 
, Saduq 
) , across the world, is quite a common family name. The cognomen صدوق is habitual in Morocco, where it is quite a rare surname, Palestinian Territory, and Jordan. Not in comparison with a country's population, this name is the most popular in Morocco, Algeria, and Iran. Much less frequently, صدوق is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| صدوق | Iran, Palestinian Territory, Morocco, Jordan, Iraq |
| Sadouk | Denmark, Tunisia, Morocco, Algeria, France |
| Saduq | India, Nigeria, Ethiopia, United States |
|
شیخ صدوق Buyid shiite scholar, IR (b. 918) |
|
| راضي صدوق Palestinian journalist and poet (1938-2010), JO (b. 1938) |
|