Last name Chamlai (Chamlai 
, จำแลง, Чамлай 
) , globally, is a rare cognomen. The last name Chamlai is characteristic of Ukraine, where it is a rare surname, Kazakhstan, where it is a very rare surname, and Kyrgyzstan. Measured by absolute frequency, this name is the most popular in Ukraine, Russia, and Thailand. Very seldom, Chamlai is the forename as well as the last name.