PSB may refer to:
Finance and education Philippine Savings Bank Promsvyazbank, a Russian state-owned bank Punjab & Sind Bank, Northern India (NSE: PSB) PS Business Parks, an American real estate investment trust (NYSE: PSB) PSB Insights, a market research firm (Penn Schoen Berland) Paris School of Business, a private business school located in Paris Penn State Behrend, a commonwealth Pennsylvania State University campus in Erie, PA. Public Schools Branch, the English school district of Prince Edward Island, Canada Public Schools of Brookline, a school district of Brookline, Massachusetts, United States
Historiography, government, and politics
Polski Słownik Biograficzny, a Polish encyclopedia Brunei History Centre (), a government body in Brunei Public service broadcasting in the United Kingdom Psychological Strategy Board, a U.S. government committee set up by the Truman administration to coordinate and plan psychological warfare operations Presidential Service Badge, of the US military Public security bureau (China), the name for a police department in mainland China Belgian Socialist Party () Brazilian Socialist Party () United Sarawak Party, (), a political party in Sarawak, Malaysia
Life sciences, technology, and music
Purple sprouting broccoli Phosphate solubilizing bacteria Purple sulfur bacteria Protected specimen brush, a tool used for sampling of sputum from the lungs Pacific Symposium on Biocomputing, an annual scientific meeting .PSB (short for "Photoshop Big"), an Adobe Photoshop file format Proton Synchrotron Booster, a particle accelerator at CERN Polysulfide–bromide battery PSB Speakers, a Canadian loudspeaker company Pet Shop Boys, an English musical duo Plus-Tech Squeeze Box, a Japanese Shibuya-kei band Public Service Broadcasting (band), a British electronic trio
Other uses Persistent slip bands in metals Mid-State Regional Airport (IATA airport code "PSB"), an airport in Philipsburg, Pennsylvania Poplar Street Bridge, a bridge across the Mississippi River