Surname Petrah (Petrah 
) , around the globe, is a very rare last name. The last name Petrah is habitual in Malaysia, where it is a very rare surname, Germany, where it is an extremely rare surname, and Ukraine. Likewise, Petrah is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Petrah | Australia, United States, Malaysia, South Africa, Germany |