BTR or BTr may refer to:
Arts and entertainment Music B.T.R. (band), a Bulgarian rock band Bad Trip Records, an American record label Beyond Therapy Records, an American industrial music record label Big Tent Revival, a Christian rock band Big Time Rush (group), a musical group created by Nickelodeon for the TV series BTR (album), their debut album Big Time Rush (Big Time Rush song) Black Toast Records, a record label Born to Run, a 1975 rock album by Bruce Springsteen "Born to Run" (Bruce Springsteen song) Black The Ripper, a British rapper
Other media Big Time Rush (TV series), a Nickelodeon television series BlogTalkRadio British Tape Recorders, reel-to-reel tape recorders made by EMI in England Bocchi the Rock!, Japanese manga and anime
Businesses BTR Aerospace Group BTR plc, formerly BTR Industries, one of the predecessor companies of Invensys plc British Thomson-Houston (former name BTR), a British engineering and heavy industrial company
Politics BTR–EMS–AKG Janakeeya Vedi, a political group in India B. T. Ranadive (1904–1990), Indian communist leader Bureau of the Treasury, a Philippine government agency
Real estate Build to rent, a British term for residential properties intended for the rental market.
Sports Barcelona Trail Races
Transportation facilities Baton Rouge Metropolitan Airport, Louisiana, US Braintree railway station (England), station code
Vehicles BTR (vehicle), Soviet/Russian armored personnel carriers Ruf BTR, a sportscar