Surname Delaver (Delaver 
, Делавер 
) , around the globe, is a very rare last name. The cognomen Delaver is habitual in Russia, where it is a very rare surname, Argentina, where it is an extremely rare surname, and the United States. Likewise, Delaver is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Delaver | United States, Russia, Spain, Argentina |
| Делавер | Russia, Ukraine |