Last name Pervious (ซุย 
, Pervious 
) , in the entire world, is a very rare cognomen. The family name Pervious is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much more frequently, Pervious is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ซุย | Thailand |
| Pervious | United States, South Africa |