Family name Sadashivar (Sadashivar 
) , around the globe, is a very rare surname. The family name Sadashivar is characteristic of Southern Asia, particularly India, where it is an extremely rare surname. More prevalently, Sadashivar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sadashivar | India |
Matta, Yaramasa, and Ramishetti