HSM
HSM or H.S.M. may refer to:
Entertainment
- High School Musical (disambiguation)
- High School Musical (film series)
- High School Musical, the first film
- High School Musical (soundtrack), the soundtrack to the first film
Organisations
- Harakat al-Shabaab Mujahedeen, a Somali insurgent group
- Hollandsche IJzeren Spoorweg-Maatschappij, a defunct railway company in the Netherlands
- Holy Spirit Movement
- HSM (business), an American company (previously Hickory Springs)
Science and technology
- Hardware security module, a physical computing device
- Hepatosplenomegaly, enlargement of the liver and the spleen
- Hierarchical storage management, in data storage
- Hierarchical state machine, in UML state machines
- Hyper Sonic Motor, Sigma's trade name for photo lens focusing technology using an ultrasonic motor
Other
- Health Systems Management, of public health systems
- Historic Sites and Monuments in Antarctica
- Horsham Airport, Australia, by IATA code
- Humanitarian Service Medal, a U.S. military award