Surname Wathiq (واثق 
, الواثق , Wathiq 
) , across the world, is quite a common cognomen. The last name Wathiq is habitual in Iraq, where it is quite a rare surname, Sudan, and Libya. In absolute terms, this name is the most popular in Iraq, Sudan, and Iran. More frequently, Wathiq is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| الواثق, واثق | Saudi Arabia, Sudan, Algeria, Egypt, Iraq |
| Wathiq | United Arab Emirates, Malaysia, Jordan, United States, Iraq |
| Васик | Kazakhstan, Ukraine, Russia |