Cognomen روايدا (Ruwaida 
, روايدا 
) , in the entire world, is a rare last name. The cognomen روايدا is characteristic of Indonesia, where it is a rare surname, Malaysia, and Egypt. Measured by absolute frequency, it is the most numerous in Indonesia, Egypt, and Nigeria. More frequently, روايدا is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ruwaida | Tanzania, South Africa, Thailand, Ghana, Indonesia |
| روايدا | Egypt |