HM or hm may refer to:
Arts and entertainment
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''HM'' (magazine), a Christian hard rock magazine
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Hidden Machine, a type of item in Pokémon
Businesses
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H&M, a Swedish clothing company
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Hindustan Motors, an automobile manufacturer of India
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Air Seychelles (IATA airline code)
Other uses
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Heard Island and McDonald Islands (ISO 3166 digram and FIPS PUB 10-4 territory code)
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.hm
.hm is the Internet country code top-level domain ( ccTLD) of the Heard and McDonald Islands, uninhabited islands in the southern Indian Ocean under the sovereign control of Australia. Although .hm gets a small amount of use, Australia uses the ...
, the Internet country code top-level domain ostensibly for the above
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Hectometre, hm, an SI unit of length
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Henry Molaison
Henry Gustav Molaison (February 26, 1926 – December 2, 2008), known widely as H.M., was an American who had a bilateral medial temporal lobe, temporal lobectomy to surgically resect the anterior two thirds of his Hippocampus, hippocampi, p ...
, aka Patient H.M., a man with anterograde amnesia
* His or Her
Majesty, a form of address for various monarchs
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Hindley–Milner type system, in mathematics
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Hospital corpsman, in the United States Navy
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Sisters of the Holy Humility of Mary's postnominal initials
{{disambiguation