PPT

Organizations

Parti Progressiste Tchadien, a political party active in Chad between 1947 and 1973
Partido del Pueblo Trabajador (Working People's Party of Puerto Rico), a political party in Puerto Rico
Patria Para Todos, a left-wing political party in Venezuela
Permanent Peoples' Tribunal, an international opinion tribunal founded in Bologna, 1979
Plunge Protection Team, a nickname of the United States President's Working Group on Financial Markets
Porin Pallo-Toverit, the former name of the Finnish football club FC Jazz
PTT Public Company Limited, Thai state-owned oil and gas company

.ppt, the file format used by Microsoft PowerPoint presentation software
Parts-per notation for parts-per-trillion (more common) or parts-per-thousand (less common)
PerlPowerTools, a revitalized of the classic Unix command set in pure Perl
Positive partial transpose, a criterion used in quantum mechanics
Power point tracking, a solar energy charging technology
Primitive Pythagorean triple, three integers that form a right triangle
Probabilistic polynomial-time, a class of Turing machines that are probabilistic and run in polynomial-time
Pulsed plasma thruster, a method of spacecraft propulsion

Palmitoyl protein thioesterase, enzymes that remove thioester-linked fatty acyl groups
- PPT1, a member of the palmitoyl protein thioesterase family
- PPT2, a member of the palmitoyl protein thioesterase family
Pedunculopontine tegmental nucleus, a collection of neurons located in the brainstem
Peritoneal pull-through vaginoplasty, a surgical procedure used in gender-affirming care
Podophyllotoxin, a medical cream to treat genital warts
Propylpyrazoletriol, a selective agonist of ERα used in scientific research
Protopanaxatriol, a molecule found in ginseng

Faa'a International Airport (IATA airport code), Papeete, Tahiti, French Polynesia
Personal public transport, a transportation model