Surname ราชนคร (Rajanakon 
, ราชนคร , Rajnakhorn) , around the globe, is a very rare cognomen. The last name ราชนคร is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, ราชนคร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ราชนคร, Rajanakon | Thailand |
Rachanakorn, Rajanakorn, Ratchanakon, Ratchanakorn, Ratchaneakorn, and Ratchanegorn