Last name Mabai (Mabai 
, มะใบ 
) , all around the world, is quite a rare surname. The last name Mabai is characteristic of Mozambique, where it is a rare surname, Thailand, and Tanzania. Measured by absolute frequency, this name is the most popular in India, Thailand, and Mozambique. Likewise, Mabai is the forename as well as the last name.