Last name Domai (Domai 
, دوماي) , in all the world, is a rare cognomen. The cognomen Domai is characteristic of Papua New Guinea, where it is quite a rare surname, Israel, where it is a rare surname, and Indonesia, where it is a very rare surname. In absolute terms, it most frequently occurs in India, Papua New Guinea, and Indonesia. More prevalently, Domai is the forename as well as the last name.