In all the world, Poirier-Coutansais (Poirier-Coutansais 
) is an extremely rare unknown gender forename. Predominantly, Poirier-Coutansais is the last name as well as the forename. Parts of the name also exists independently as a last name Poirier, and a last name Coutansais.
| VARIANT | COUNTRY |
|---|---|
| Poirier-Coutansais | France |