TPP may refer to: Science and technology Chemistry Tripolyphosphate, a sodium salt of the polyphosphate penta-anion Thiamine pyrophosphate, an enzyme cofactor Tetraphenylporphyrin, a synthetic heterocyclic compound that resembles naturally occurring porphyrins Triphenylphosphine, an organophosphorus compound commonly used in chemical synthesis Computing and mathematics Tangential proper part, a relation in region connection calculus Targeted projection pursuit, a statistical technique for data exploration, feature selection and information visualisation Transformation Priority Premise, a programming approach that simplifies test-driven development Traveling purchaser problem, an NP-hard problem generalizing the traveling salesman problem Trans-Proteomic Pipeline, open-source bioinformatics software Energy Thermal power plant is a power station in which heat energy is converted to electric power. Medicine Thrombotic thrombocytopenic purpura, a disorder of the blood-coagulation system Thyrotoxic periodic paralysis, a condition featuring attacks of muscle weakness in the presence of hyperthyroidism Entertainment Twitch Plays Pokémon, an interactive video channel Metal Gear Solid V: The Phantom Pain, a 2015 stealth video game Third-person perspective, a style of virtual camera system for 3D games Politics Trans-Pacific Partnership, a defunct proposed trade agreement between 12 Pacific Rim countries Comprehensive and Progressive Agreement for Trans-Pacific Partnership, the successor agreement between all original TPP members except the United States Taiwan People's Party, a political party in Taiwan Tayo (political party), a political association in Somalia Two-party-preferred vote, a measure of election outcomes in Australia's preferential-voting system Other uses Cad. FAP Guillermo del Castillo Paredes Airport (IATA code), Peru Total Package Procurement, a former US military systems acquisition policy Chartered Transport planning professional (UK), a professional qualification for transport planners Terminal Procedures Publication, the U.S. Federal Aviation Administration's instrument approach procedure The Phoenix Partnership, a health software company The President's Pleasure (Singapore) (TPP), a legal punishment in Singapore, which serves as indefinite detention of minors or people or unsound mind for capital offences See also TPP Nikola Tesla, a power-plant complex in Serbia