Family name Wirdah (Wirdah 
) , all around the world, is a rare last name. The cognomen Wirdah is habitual in South-eastern Asia, particularly Malaysia, where it is a very rare surname, and Indonesia. More prevalently, Wirdah is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wirdah | Malaysia, Indonesia, Singapore |