Family name Delgerbayar (Delgerbayar 
) , globally, is a rare last name. The cognomen Delgerbayar is habitual in Eastern Asia, particularly Mongolia, where it is quite a common surname. Also, Delgerbayar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Delgerbayar | Mongolia |
| saruul delgerbayar |
|