PTE may refer to:
- CVH-PTE Engine, an engine produced by the Ford Motor Company
- Partido de los Trabajadores de Ecuador, the Workers' Party of Ecuador
- Partido del Trabajo de España, the Party of Labour of Spain
- Passenger transport executive, a local government body responsible for public transport in the United Kingdom
- PicturesToExe, professional slideshow software
- Performance testing environment
- Periodic table of elements
- Phosphotriesterase, an enzyme
- Portuguese escudo, the former official currency of Portugal
- Post-traumatic epilepsy, recurrent seizures that result from head trauma
- Power Tab Editor
- Prairie Theatre Exchange, a theatre in Winnipeg, Manitoba, Canada
- Phantom Transfer Engine PTE – Phantom Transfer Engine software
- Pressure-tolerant electronics, components that operate satisfactorily under high pressure, such as in submarines
- Private (rank) (Pte), an abbreviation used in Commonwealth countries
- University of Pécs (Pécsi Tudományegyetem), Hungary
- Pishgaman Towse Ertebatat (PTE), Tehran, Iran