title: HSM
text: # HSM
  
  HSM or H.S.M. may refer to:
  
  ## Entertainment
  
  * High School Musical (disambiguation)
  
  ## Organisations
  
  * Harakat al-Shabaab Mujahedeen or Al-Shabaab, a Somali insurgent group
  * Hollandsche IJzeren Spoorweg-Maatschappij, a former Netherlands railway
  * Holy Spirit Movement, Uganda
  * HSM (company), 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 Manager, an IBM program Product for MVS and a component of Data Facility Storage Management Subsystem/MVS
  * Hierarchical storage management, in data storage
  * Hierarchical state machine, in computer science
  * Hyper Sonic Motor, Sigma ultrasonic motor lens focusing technology
  
  ## Other uses
  
  * Historic Sites and Monuments in Antarctica
  * Horsham Airport, Australia, by IATA code
  * Humanitarian Service Medal, a U.S. military award
  