HSM
HSM stands for:
- Hanover Tram Museum
- Hardware security module ( Hardware Security Module ) which performs a device that cryptographic functions by means of hardware implementation
- Hepatosplenomegaly , medically an enlargement of the liver and spleen
- Hermann Schwelling Maschinenbau , German company in the fields of environmental technology and office technology
- Hermann Schmidt brass instruments , German musical instrument maker
- Cardiac pacemaker , a medical electrical device that stimulates a heart
- Hierarchical storage management , organization of files according to access time according to importance
- High School Musical , a 2006 American musical television film released by the Walt Disney Company
- High speed machining , high speed machining in milling and turning
- Historic sites and monuments in Antarctica ( historic site or monument )
- Hohenloher Spezial-Maschinenbau , a forest machine manufacturer made from new copper
- Holy Spirit Movement , former Ugandan Christian syncretist rebel group
- Wood preservatives , active ingredients or preparations containing active ingredients for protecting wood
- Hollandsche IJzeren Spoorweg-Maatschappij , railway company, see Nederlandse Spoorwegen #History
- HSM Motors Ltd., British manufacturer of automobiles
- Hyper Sonic Motor , a drive technology for autofocus camera lenses