BTR may refer to:
- BTR plc, formerly BTR Industries, one of the predecessor companies of Invensys plc
- BTR Aerospace Group
- BTR-EMS-AKG Janakeeya Vedi, a political group in India
- Baton Rouge Metropolitan Airport, Baton Rouge, Louisiana, USA (airport code)
- Baton Rouge, Louisiana, USA (Amtrak railroad station code)
- Be the Reds!, a Korean football slogan
- Big Time Rush, a Nickelodeon television series
- Blog Talk Radio
- British Tape Recorders, by Electric and Musical Industries Ltd (EMI)
- British Thomson-Houston (former name BTR)
- B. T. Ranadive, an Indian communist leader
- Ruf BTR
- BTR (vehicle), any of a series of Soviet and Russian armoured personnel carriers
- Big Tent Revival, a Christian rock band
- Big Time Rush (band), a musical group created by Nickelodeon for the TV series
- B.T.R. (album), the debut album of the group
- Big Time Rush (Big Time Rush song)
- B.T.R. (band), a Bulgarian rock band
- Born to Run, a rock album by Bruce Springsteen; or the album's title track, " Born to Run"
BTR , from Bronetransportyor/Bronetransporter (/; literally "armoured transporter"), is any of a series of Soviet or post-Soviet military armoured personnel carriers.
BTR is the debut studio album by pop boyband Big Time Rush. Released on October 11, 2010, the track listing for the album was announced on September 1, 2010. The album was preceded by the release of several promotional singles, including their self-titled debut single, Big Time Rush. Other promotional songs include "Any Kind of Guy", "City Is Ours", and "Halfway There", which charted on the Billboard Hot 100 singles chart in the US. On September 21, the band released yet another promotional single, titled "Til I Forget About You". It was the last song to precede the album's release of October 11, 2010. " Boyfriend", which features vocals from rapper Snoop Dogg, was the first official single from the album and has become the band's biggest hit to date, charting on the Billboard Hot 100 as well as reaching the Top 40 of the Pop Songs music chart in the US. Despite not being released as a single, the song " Big Night" also charted on the Billboard Hot 100, where it also reached a peak of seventy-nine.
In its first week of release, BTR sold 67,000 copies in the US, landing it at the number three position on the Billboard 200 albums chart. Along with its mainstream success, it also topped the Top Soundtracks, and Kid Albums chart in the US. The album has also managed to gain recognition in Mexico, as well as the Dutch Albums Chart, where it peaked at nine, and Forty-three respectively. The album has received a Platinum certification by the Recording Industry Association of America for sales exceeding 1.500,000 copies.