In the world, D'Aulnay (D'Aulnay 
) is an extremely rare unknown gender forename. Predominantly, D'Aulnay is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| D'Aulnay | France |
| vilain ier d'aulnay French knight from Aulnay-l'Aître in the Champagne, FR |
|
|
| erard ier d'aulnay |
|