Family name Doriac (Doriac 
) , worldwide, is a rare last name. The surname Doriac is habitual in France, where it is a rare surname, and the United Kingdom, where it is an extremely rare surname. Likewise, Doriac is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Doriac | France, United Kingdom, Democratic Republic of the Congo |
| didier doriac French politician, FR (b. 1956) |
|