Around the world, วิระพจน์ (วิระพจน์ 
) is a very rare dominantly masculine, but uncommonly feminine first name. The forename วิระพจน์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare largely male, but seldom girly name.
| VARIANT | COUNTRY |
|---|---|
| วิระพจน์ | Thailand |