Family name Demly (Demly 
) , worldwide, is a very rare cognomen. The cognomen Demly is characteristic of Malaysia, where it is a very rare surname, Honduras, and Venezuela, where it is an extremely rare surname. Also, Demly is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Demly | Malaysia, Philippines, Honduras, United States, India |