BLR

BLR may refer to:


 * Base Lending Rate, in banking
 * Bad Lip Reading, a YouTube comedy channel
 * Bala Lake Railway, in North Wales
 * Belarus, whose ISO 3166-1 alpha-3 code is BLR
 * BLR, IATA code for Kempegowda International Airport in Bangalore, India
 * Former IATA code for HAL Airport, the previous primary airport of Bangalore
 * Beta-lactam Ring Records, an independent record label
 * The Biggest Little Railway in the World, a 2017 temporary model railway in the Scottish Highlands
 * Blacklands Railroad, based in Texas


 * blr, ISO 639-3 code for the Blang language of Burma and China
 * Breech-loading rifle
 * Browning BLR, a hunting rifle
 * Blacklight: Retribution, a first-person shooter game