Cognomen Poiser (Poiser 
) , around the world, is a very rare family name. The cognomen Poiser is habitual in Israel, where it is a very rare surname, the United States, where it is an extremely rare surname, and Canada. In absolute terms, it is the most numerous in the United States, Philippines, and Israel. Very seldom, Poiser is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Poiser | South Africa, Canada, Philippines, United States, Israel |