Surname Dellat (Dellat 
) , around the globe, is a rare family name. The family name Dellat is characteristic of the Democratic Republic of the Congo, where it is a rare surname, France, where it is a very rare surname, and Canada, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Dellat | Canada, France, Democratic Republic of the Congo |