Last name Poiw (Poiw 
) , in all the world, is an extremely rare cognomen. The family name Poiw is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname, and Malaysia. Very seldom, Poiw is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Poiw | Malaysia, Thailand, United States |