Family name Lorchaiyanan (Lorchaiyanan 
) , all over the world, is a very rare surname. The surname Lorchaiyanan is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Lorchaiyanan | Thailand |
Vajana, Amonrat, Nitchan, and Nitchakarn