SBR may refer to: Science and technology Sequencing batch reactor, for wastewater treatment Spectral band replication, to enhance audio codecs Shooting and bouncing rays, in computational electromagnetics Styrene-butadiene rubbers Serum bilirubin, in blood Screen-to-body ratio, a measurement for smartphones and tablets Military Short-barreled rifle, US legal designation Space-based radar, on satellites Organizations SBR Creative Media, advising radio stations Specialised Bulk Rail, a subsidiary of SCT Logistics in Australia Station biologique de Roscoff, French oceanography station Stratford on Avon and Broadway Railway, England Stone Brothers Racing, a former Australian motor racing team Other uses Skills-based routing, of phone calls Standard Business Reporting, programs to reduce business regulations Shanghai Business Review Samuel Butler Room, the Middle Combination Room of St John's College, Cambridge Summit Bechtel Reserve, of the Boy Scouts of America JoJo's Bizarre Adventure: Steel Ball Run, manga written by Hirohiko Araki Saibai Island Airport, IATA airport code "SBR"