In the entire world, Erwa (二娃 
, اروا 
, Erwa 
) is quite a rare unisex forename. The given name Erwa is characteristic of Sudan, where it is a rare unisex name, Egypt, and Saudi Arabia, where it is a very rare female name. Measured by absolute frequency, the name is most common in China, Egypt, and Sudan. Very seldom, Erwa is the last name as well as the forename.