Cognomen Dalavay (Dalavay 
) , all over the world, is a rare family name. The surname Dalavay is habitual in Southern Asia, particularly India, where it is an extremely rare surname. Very seldom, Dalavay is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dalavay | India |
Nagappa, Yallappa, Hanamanta, Yamanappa, and Basavaraja