'''IGH''' (or derivative) may refer to:
* Idiopathic guttate hypomelanosis, a dermatological condition * Igh (trigraph), used in Irish orthography * Immunoglobulin heavy chain (IgH), the large polypeptide subunit of an antibody ** IGH@, the Immunoglobulin heavy locus, in biology * Institut IGH, a Croatian company * Internal geared hubs, used on bicycles * Inver Grove Heights, Minnesota, U.S.
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