Family name Lengleng (冷冷 
, Lengleng 
) , across the world, is a rare last name. The family name Lengleng is characteristic of South-eastern Asia, particularly Malaysia, where it is a rare surname, Singapore, and Philippines, where it is a very rare surname. Measured by absolute frequency, the name is most common in China, Malaysia, and Philippines. More frequently, Lengleng is the forename as well as the last name.