Cognomen ضحكتنا (ضحكتنا 
) , globally, is a very rare surname. The surname ضحكتنا is characteristic of Northern Africa, particularly Egypt, where it is a very rare surname. Likewise, ضحكتنا is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ضحكتنا | Egypt |