Family name ประสิว (Prasio 
, ประสิว 
) , globally, is a rare cognomen. The cognomen ประสิว is habitual in Philippines, where it is a rare surname, Thailand, where it is a very rare surname, and Brazil, where it is an extremely rare surname. Very seldom, ประสิว is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Prasio | Mexico, Spain, Brazil, Philippines |
| ประสิว | Thailand |