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Around the globe, Hallan (Hallan , 哈伦 ) is quite a rare principally boy's, but very infrequently female forename. The forename Hallan is habitual in Brazil, where it is a rare male name, the Democratic Republic of the Congo, and Tanzania, where it is a very rare masculine name. Measured by absolute frequency, it is commonest in Brazil, India, and the Democratic Republic of the Congo. Also, Hallan is the last name as well as the forename.