Globally, พิทยาจำรัส (พิทยาจำรัส, Phithaayajamrat, Phitayachamrat 
) is an extremely rare unknown gender given name. Much more prevalently, พิทยาจำรัส is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Phitayachamrat | Thailand |
Phithayajamrat, Pitayachamrat, Pitayachamrus, Pittayachamrat, Pittayajamrus, Pittayajumrut, Pitthayajamrat, Pitthayajamrus, and Pitthayayajamrat