BPS can stand for:
- In science, mathematics and technology
- Base pairs, a measure of length of DNA using the number of nucleotide pairs
- Basis points, equal to one one-hundredth of a percentage point
- Battered person syndrome, a physical and psychological condition found in victims of abuse
- Berkeley printing system
- Bisphenol S, an organic chemical compound
- Bits per second, the speed of transfer or playback of a digital file
- Bladder pain syndrome, a disorder characterised by pain associated with urination
- Bogomol'nyi-Prasad-Sommerfield bound, a mathematical concept in field and string theory
- Bronchopulmonary sequestration, a disorder where a section of lung tissue has a decreased blood supply
- IBM Basic Programming Support, BPS/360
- Organisations
- Badan Pusat Statistik, a government institute of Indonesia that conducts statistical surveys
- Banque Populaire Suisse, a Swiss bank (German: Schweizerische Volksbank)
- Bass Pro Shops, a retailer of hunting, fishing, camping and related outdoor recreation merchandise
- Bermuda Police Service, the law enforcement agency of Bermuda
- Biophysical Society, an organization consisting of over 8,000 biophysics researchers
- Black P. Stones, a street gang in Chicago, United States
- Blue Planet Software (formerly Bullet-Proof Software), a video game developer
- Board of Pharmacy Specialties, a post-licensure certification agency for specialized pharmacists
- British Pharmacological Society, the professional association for pharmacologists in the United Kingdom
- British Psychological Society, the representative body for psychologists and psychology in the United Kingdom
- British Pteridological Society, the focal point for fern enthusiasts throughout the United Kingdom
- Buddhist Publication Society, a charity aiming to spread the teachings of Buddha
- Schools
- Bangkok Patana School, a British international school in Bang Na, Thailand
- Belilios Public School, a government secondary school in Hong Kong
- Blackfriars Priory School, a private Catholic school in Adelaide, Australia
- Boston Public Schools, a school district in Boston, Massachusetts, United States
- British Parachute Schools, a parachuting drop zone in Nottinghamshire, England
- Buffalo Public Schools, a school district in Buffalo, New York, United States
- Berkeley Preparatory School, a school in Tampa, Florida from grades Pre-K through 12.
- Other uses
- BabyPinkStar, an electro glam punk band in Sheffield, England
- Battle Programmer Shirase, an anime TV series
- Balls Per Second, the rate of fire of a paintball gun
- Baltic Pipeline System, a oil transport system in Western Europe
- Battersea Power Station, a disused power station in London, England
- British Parliamentary Style, a common form of academic debate
- BPS, IATA code for Porto Seguro Airport, Brazil