Cognomen ضحك (ضحك 
) , across the world, is a rare family name. The surname ضحك is habitual in Egypt, where it is a rare surname, Sudan, and Saudi Arabia. Likewise, ضحك is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ضحك | Morocco, Egypt, Sudan, Iraq, Saudi Arabia |