Family name Sumardy (Sumardy 
) , throughout the world, is a rare surname. The surname Sumardy is habitual in Indonesia, where it is a rare surname, Malaysia, and Australia, where it is a very rare surname. Also, Sumardy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sumardy | Australia, United States, Malaysia, Indonesia |