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Family name Khain (Khain
, Хаин
, Хайн
) , all around the world, is quite a rare last name. The last name Khain is characteristic of Oman, where it is quite a rare surname, Myanmar, and Saudi Arabia. Measured by absolute frequency, this name is the most popular in Myanmar, Saudi Arabia, and Bangladesh. Also, Khain is the forename as well as the last name.