JH may refer to:
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Jh (digraph)
This is a list of Digraph (orthography), digraphs used in various Latin alphabets. Capitalisation involves only the first letter (''ch'' becomes ''Ch'') unless otherwise stated (''ij'' becomes ''IJ'').
Letters with diacritics are arranged in alp ...
, in written language
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JH (hash function), in cryptography
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Japan Highway Public Corporation
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Jharkhand, India (ISO 3166: JH)
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Juvenile hormone
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Fuji Dream Airlines (IATA: JH), a Japanese airline
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Harlequin Air (IATA: JH), a former Japanese airline
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Nordeste Linhas Aéreas Regionais (IATA: JH)a former Brazilian airline
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