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Cognomen Fahai (发海 , Fahai
, 法海
) , around the world, is a rare family name. The last name Fahai is characteristic of Cayman Islands, where it is quite a rare surname, China, where it is a very rare surname, and Malaysia, where it is an extremely rare surname. In absolute terms, it is commonest in China, India, and Nigeria. More prevalently, Fahai is the forename as well as the last name.