In all the world, สุธิรัช (สุธิรัช 
) is a very rare mostly male, but infrequently feminine first name. The forename สุธิรัช is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare largely male, but seldom girly name.
| VARIANT | COUNTRY |
|---|---|
| สุธิรัช | Thailand |