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In the world, Foi (Foi
, ฝอย
, ฟอย
) is a rare mostly female, but infrequently masculine given name. The first name Foi is habitual in the Democratic Republic of the Congo, where it is a rare female name, Thailand, where it is a rare gender-neutral name, and Nigeria, where it is a very rare gender-neutral name. In absolute terms, it most frequently occurs in the Democratic Republic of the Congo, Thailand, and India. Also, Foi is the last name as well as the forename.