Cognomen ปรีชาชัย (Preechai 
, ปรีชาชัย , Preechachai 
) , all around the world, is a very rare last name. The last name ปรีชาชัย is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname, and Vietnam, where it is an extremely rare surname. Likewise, ปรีชาชัย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Preechai, ปรีชาชัย | Thailand |
| Preechachai | Vietnam, Thailand |