Family name พิชญ์กาญจน์ (พิชญ์กาญจน์ 
, Picharkarn , Pijchakarn) , all over the world, is a very rare last name. The cognomen พิชญ์กาญจน์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, พิชญ์กาญจน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Picharkarn, Pitchanggoon, พิชญ์กาญจน์ | Thailand |
Phichchanan, Phitchakan, Phitchakarn, Pichchakan, Pichchakon, Pichchanan, Pichchanun, Pichitkanka, Pichsukan, Pidchakarn, and Pitchakarn