Surname Gaddayya (Gaddayya 
) , around the globe, is a very rare last name. The cognomen Gaddayya is habitual in Southern Asia, particularly India, where it is an extremely rare surname. More prevalently, Gaddayya is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gaddayya | India |
Matha, Ippili, Hiremath, Mathapati, and Gaddadevaramath