PBP may refer to:
Organizations People Before Profit, an Irish political party Pittsburgh Police in Pennsylvania, U.S. Better Place (company), a defunct electric car company
Science and technology
alpha-Pyrrolidinobutiophenone (α-PBP), a stimulant Progressive bulbar palsy, a motor neuron disease Picture by picture, two TV pictures side-by-side, similar to picture-in-picture (PiP)
Proteins Penicillin-binding proteins involved in bacterial cell wall synthesis Presenilin binding protein, also known as Dock3 or MOCA, a protein involved in cell signaling Poly(A)-binding protein, which binds to the tail of messenger RNA
Other uses Paris–Brest–Paris, an endurance cycling event Payback period, in finance Play-by-post role-playing game, a game played through online forum posts IATA code for Punta Islita Airport, Costa Rica Partners in the Blue Pacific, an informal group aimed at boosting economic and diplomatic ties with Pacific island nations Peanut butter and pickle sandwich, a food popularized during the Great Depression