Surname Lopak (Lopak 
) , in all the world, is a rare last name. The last name Lopak is characteristic of Malaysia, where it is a very rare surname, Indonesia, and Canada, where it is an extremely rare surname. Measured by absolute frequency, this name is the most popular in South-eastern Asia, particularly Indonesia, Malaysia, and Philippines. Much less frequently, Lopak is the forename as well as the last name.