Family name Poisy (Poisy 
) , across the world, is an extremely rare last name. The family name Poisy is habitual in France, where it is a very rare surname, and the United States, where it is an extremely rare surname. Also, Poisy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Poisy | Spain, India, France, United States, South Africa |
| m.b.de poisy botanist |
|