All over the world, พีรวัช (พีรวัช 
) is a very rare largely masculine, but uncommonly girly first name. The first name พีรวัช is habitual in South-eastern Asia, particularly Thailand, where it is a very rare mostly masculine, but seldom female name.
| VARIANT | COUNTRY |
|---|---|
| พีรวัช | Thailand |
นกจัน, สุขกุล, นวลกลาง, สิงห์โต, and เชาวน์วุฒิสุข