Family name หาญไพโรจน์ขจร (หาญไพโรจน์ขจร 
) , around the world, is a very rare cognomen. The surname หาญไพโรจน์ขจร is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| หาญไพโรจน์ขจร | Thailand |