Bar or BAR can refer to several things:

• a pole or stick, often made of wood or metal, sometimes used to mark a height, such as in high jump, or as a handrail, such as in ballet or Dance Dance Revolution, or as an obstacle.
  • A quantity of a substance supplied as a bar-shaped piece: a bar of soap; a candy bar.
  • A law or rule preventing something.
• Bar (establishment) - a retail establishment which serves alcoholic beverages (in Britain, a pub; in continental Europe, a café).
  • Bar (counter) - the counter from which drinks are dispensed in a Bar (establishment).
• Bar (heraldry) - a fesslike charge sometimes stated to be a diminutive of the fess
• Bar (unit) - a scientific unit of pressure, roughly the atmosphere pressure on Earth at sea level. A millibar is 0.001 bar.
• Bar (music) - a period of music.
• Bar (law) - the community of persons engaged in the practice of law.
• Bar (landform) - a type of beach behind which lies a lagoon.
• Bar (diacritic) - a line through a letter used as a diacritic.
• Bar (computing)
  • a visual menu with various icons.
• A macron over a digit or digits in mathematics used to indicated a repeating decimal.
  • the second metasyntactic variable, after foo.
• Bar (Aramaic) - a common prefix in New Testament Aramaic names, meaning son of and often indicating that the person is also known by another name.

There are places named Bar:

• Bar, Corrèze - a commune in the département of Corrèze, France.
• Bar, Serbia and Montenegro - a large city in southeastern Montenegro.
• Bar, Ukraine - a fortress in the Podolia region of Ukraine that was once a part of Poland.

• Bar is a former county and duchy of France, see counts and dukes of Bar.

Bar is part of the name of several communes of France:

• Bar-le-Duc, in the Meuse département.
• Bar-sur-Aube, in the Aube département.
• Bar-sur-Seine , in the Aube département.

BAR is an acronym for:

• British American Racing, a Formula One racing team.
• Browning Automatic Rifle, a US WWI and WWII military weapon.
• Buy-American restrictions, a reference to the Buy American Act .

BAR may also represent:

• the AAR reporting mark for the Bangor and Aroostook railroad.