Last name Poitreau (Poitreau 
) , across the world, is a very rare family name. The family name Poitreau is habitual in Western Europe, particularly France, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Poitreau | France |
| étienne poitreau French painter, FR (b. 1693) |
|
|
| philippe poitreau French politician, FR (b. 1958) |
|