Last name Penglong (鹏龙 
, 朋龙 , Penglong 
) , globally, is quite a rare family name. The cognomen Penglong is characteristic of Thailand, where it is a rare surname, China, and Cambodia, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in China, Thailand, and India. More frequently, Penglong is the forename as well as the last name.