Cognomen Lertnarong (Lertnarong 
) , throughout the world, is a very rare family name. The last name Lertnarong is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. More frequently, Lertnarong is the forename as well as the last name.
Mudzen, Mukviboonchai, Mairiang, Archavaarporn, and Leevongcharoen