Purpura pigmentosa progressiva, better known as Schamberg disease Pustulosis palmaris et plantaris, a chronic recurrent pustular dermatosis Chemistry Pariser–Parr–Pople method, an approximation in quantum chemistry Pentose phosphate pathway, a chemical process that generates five-carbon sugars Phosphorylation, such as 5′-ppp RNA Poly(p-phenylene), a conductive polymer Computing Pay per play, a type of internet advertising using audio ads Point-to-point protocol, a communications protocol PowerPoint Presentation, a file created using the Microsoft Office application PPP (complexity), a computational complexity class Precise Point Positioning, a GNSS data processing technique Public Private Protected, in object-oriented programming Pony Preservation Project, a collaborative effort by 4chan's /mlp/ board to build and curate pony datasets with the aim of creating applications in artificial intelligence Other uses Congress-Bundestag Youth Exchange (), a German-American exchange scholarship program Perfect Prom Project, a charity based in Illinois Point Pleasant Park, in Halifax, Nova Scotia Programme for People and Planet, a programme of events at Expo 2020, Dubai Psychology, Philosophy and Physiology, a degree course at the University of Oxford Whitsunday Coast Airport, south of Proserpine, Queensland, Australia (IATA code PPP) See also Triple P (disambiguation) PPE (disambiguation)