HM or hm may refer to:
Arts and entertainment
edit- HM (magazine), a Christian hard rock magazine
- Hidden Machine, a type of item in Pokémon
Businesses, groups, organizations
edit- H&M, a Swedish clothing company
- Hindustan Motors, an automobile manufacturer of India
- Air Seychelles (IATA airline code
HM
) - HM Transport, a bus company in the Philippines
People
edit- Henry Molaison, aka Patient H.M., a man with anterograde amnesia
- His or Her Majesty, a form of address for various monarchs
- Home Minister, an interior minister
- Hospital corpsman, in the United States Navy
- Sisters of the Holy Humility of Mary's postnominal initials
Other uses
edit- Heard Island and McDonald Islands (ISO 3166 digram and FIPS PUB 10-4 territory code
HM
)- .hm, the Internet country code top-level domain ostensibly for the above
- Hectometre (
hm
), an SI unit of length - Hindley–Milner type system, in mathematics
- "Half marathon" athletics abbreviation in road racing