HMS

The abbreviation HMS (hms) may refer to:

Data formalisation

 * Numerical representation of time using a 24-hour clock, hh:mm:ss for hours, minutes, seconds

Ship names

 * Her Majesty's Ship (or His Majesty's Ship, or Submarine), the prefix of Royal Navy ship names since 1789
 * Hans Majestäts Skepp (His Majesty's ship) or Hennes Majestäts Skepp (Her Majesty's Ship), the prefix of Royal Swedish Navy ship names. Internationally, the abbreviation is sometimes, but unofficially, exchanged for HSwMS (His Swedish Majesty's ship), so people shouldn't confuse the ships for ships of other navies of kingdoms.

Organisations

 * 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, National Rail station code of Helmsdale railway station, Scotland
 * HMS Industrial Networks, a Swedish-based industrial communications company

Educational institutions

 * Artie Henry Middle School (also known as Henry Middle School), Cedar Park, Texas
 * Hamden Middle School, Hamden, Connecticut
 * Harvard Medical School
 * Haverford Middle School, Havertown, Pennsylvania
 * Hedrick Middle School, Medford, Oregon
 * Heidelberg Middle School, Heidelberg, Germany
 * Henry E. Huntington Middle School, San Marino, California
 * High Mowing School, Wilton, New Hampshire
 * Highland Middle School, multiple schools
 * Hudson Middle School, Sachse, Texas
 * Hudson Middle School, Hudson, Ohio
 * Huntington Middle School, Warner Robins, Georgia

Other uses

 * Health management system, an evolutionary medicine process that regulates the body's responses to infections and injury.
 * Halbmastwurf-Sicherung, 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
 * Medrysone, by trade name HMS
 * Heavy melting steel, designation for recyclable steel and iron
 * Helmet mounted sight, sight present on a pilot's helmet, used for cueing and tracking a target when a pilot moves his head
 * 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