Family name Lertkulprayad (Lertkulprayad 
) , all around the world, is a very rare surname. The cognomen Lertkulprayad is habitual in Cambodia, where it is a very rare surname, Thailand, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Lertkulprayad | Cambodia, United States, Thailand |