Surname وتحداهم (وتحداهم 
) , all over the world, is a rare cognomen. The family name وتحداهم is habitual in Iraq, where it is quite a rare surname, Libya, where it is a rare surname, and Jordan. Measured by absolute frequency, it is commonest in Iraq, Egypt, and Libya.
| VARIANT | COUNTRY |
|---|---|
| وتحداهم | Saudi Arabia, Egypt, Libya, Jordan, Iraq |