Surname Sandyani (Sandyani 
) , in all the world, is an extremely rare family name. The surname Sandyani is characteristic of Southern Asia, particularly India, where it is an extremely rare surname. Much more prevalently, Sandyani is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sandyani | India, Sri Lanka |
Vidanachchi, Atukorala, Debbarma, Gunatunge, Kusumohartono, and Sulistyaningtyas