Family name ลัญจกรกีรติกุล (ลัญจกรกีรติกุล 
) , in the world, is an extremely rare cognomen. The family name ลัญจกรกีรติกุล is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ลัญจกรกีรติกุล | Thailand |