Surname Manlai (Manlai 
) , in the entire world, is a rare last name. The cognomen Manlai is characteristic of Mongolia, where it is quite a rare surname, India, where it is a very rare surname, and Chile, where it is an extremely rare surname. Measured by absolute frequency, it is commonest in India, Mongolia, and the United States. Likewise, Manlai is the forename as well as the last name.