Cognomen Cidas (Cidas 
) , all around the world, is a very rare surname. The last name Cidas is habitual in Mexico, where it is an extremely rare surname, Philippines, and the United States. Measured by absolute frequency, it is commonest in Mexico, India, and Philippines. Likewise, Cidas is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cidas | Philippines, Mexico, Spain, India, United States |