Family name Dornois (Dornois 
) , all over the world, is a very rare cognomen. The family name Dornois is characteristic of Western Europe, particularly France, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Dornois | France |
| émile dornois French official (1845-1896), FR (b. 1845) |
|
|
| albert dornois French painter, FR (b. 1848) |
|