RAR or Rar may refer to:
*
Radio acoustic ranging, a non-visual technique for determining a ship's position at sea
* "rar", the ISO 639-2 code for the
Cook Islands Māori language
*
RAR (file format)
RAR is a proprietary format, proprietary archive file format that supports data compression, error correction and file spanning. It was developed in 1993 by Russian software engineer Eugene Roshal and the software is licensed by ''win.rar GmbH'' ...
, a proprietary compressed archive file format in computer software
*
Rarotonga International Airport
Rarotonga International Airport ( rar, Papa Rererangi o Rarotonga) is the Cook Islands' main international gateway, located in the town and district of Avarua, Rarotonga, west of the downtown area on the northern coast. Originally built in 1 ...
, Cook Islands, IATA code RAR
*
Rarus, or Rar, a figure in Greek mythology
*
Retinoic acid receptor, a type of protein
*
Rhodesian African Rifles
The Rhodesian African Rifles (RAR) was a regiment of the Rhodesian Army. The ranks of the RAR were recruited from the black African population, although officers were generally from the white population. The regiment was formed in May 1940 in the ...
, a unit of the Rhodesian Army
*
Rock Against Racism, a UK movement
*
Rock am Ring and Rock im Park, a German rock music festival
*
Royal Australian Regiment, a unit of the Australian Army
*
Ruger American Rifle
The Ruger American Rifle is a family of budget-level hunting/ sporting bolt-action centerfire rifle made by Sturm, Ruger & Co., which also produces a line of rimfire rifles with similar designs called the Ruger American Rimfire.
Design
The Rug ...
, a line of centerfire bolt-action rifles
*
Grupo RAR, a Portuguese company
*
WinRAR
WinRAR is a trialware file archiver utility for Windows, developed by Eugene Roshal of win.rar GmbH. It can create and view archives in RAR (file format), RAR or Zip (file format), ZIP file formats, and unpack numerous archive file formats. To en ...
, RAR, and UNRAR computer software for compressed archive files
* ''
Ridotto Alpino Repubblicano
The Valtellina Redoubt or, officially, in it, Ridotto Alpino Repubblicano () or ''RAR'', was the intended final stronghold or redoubt of the Italian fascist regime of Benito Mussolini at the end of World War II in Europe. It was to be based ...
'', Republican Alpine Redoubt (RAR), intended last stronghold of the Italian fascists at the end of World War II
*
Rarh region, region in eastern India
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