HMS

HMS or hms may refer to:

Ship names

• Her Majesty's Ship (or His Majesty's Ship, or Submarine), the prefix of Royal Navy ship names
• Hans/Hennes Majestäts Skepp (His/Her Majesty's ship), the prefix of Royal Swedish Navy ship names

Organizations

• Hellenic Mathematical Society, a Greek learned society
• Hind Mazdoor Sabha, a trade union in India
• Historical Maritime Society, a British naval reenactment society
• Hendrick Motorsports, NASCAR racing team
• Harakat Mujtama' as-Silm, or Movement of Society for Peace, an Algerian Islamist political party
• HMS, Helmsdale railway station, Scotland (National Rail station code)
• HMS Industrial Networks, a Swedish-based industrial communications company

Educational institutions

• Artie Henry Middle School (also known as Henry Middle School), Cedar Park, Texas, USA
• Hamden Middle School, Hamden, Connecticut, USA
• Harvard Medical School, Boston, Massachusetts, USA
• Haverford Middle School, Havertown, Pennsylvania, USA
• Hedrick Middle School, Medford, Oregon, USA
• Heidelberg Middle School, Heidelberg, Germany
• Henry E. Huntington Middle School, San Marino, California, USA
• Herricks Middle School, Nassau County, New York, USA
• High Mowing School, Wilton, New Hampshire, USA
• Highland Middle School, multiple schools
• Hudson Middle School, Sachse, Texas, USA
• Hudson Middle School, Hudson, Ohio, USA
• Huntington Middle School, Warner Robins, Georgia, USA
• Hartley-Melvin-Sanborn School District, Hartley, Iowa, USA

Other uses

• Health management system, an evolutionary medicine process that regulates the body's responses to infections and injury.
• Munter hitch (Halbmastwurfsicherung), a type of knot used by climbers; or the type of carabiner used with the HMS knot
• Handheld, Manpack, Small Form Factor, radio transceivers in the United States' military Joint Tactical Radio System
• Heavy melting steel, designation for recyclable steel and iron
• Helmet mounted sight, weapons sight mounted on an aircraft pilot's helmet
• Hemin storage, a protein found in Yersinia pestis, the causal agent of plague
• Hexose monophosphate shunt, a biochemical pathway also known as the pentose phosphate pathway
• Highly migratory species, United Nations term for migrating fish
• Hypermobility syndrome, (in medicine) joints that stretch further than normal