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

• Hart Schaffner & Marx, a high end brand name for tailored mensware, and the former name of Hartmarx
• 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
• Harakat al-Shabaab al-Mujahideen, another name for Al-Shabaab (militant group)