Cognomen Didya (Didya 
) , around the world, is a very rare family name. The cognomen Didya is habitual in Mexico, where it is a very rare surname, Israel, and India, where it is an extremely rare surname. More prevalently, Didya is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Didya | Algeria, Philippines, Mexico, India, Peru |