PTE or Pte may refer to:

• Workers' Party of Ecuador, the Partido de los Trabajadores de Ecuador
• Party of Labour of Spain, the Partido del Trabajo de España
• Passenger transport executive, a type of local government body responsible for public transport in the United Kingdom
• Prairie Theatre Exchange, a theatre in Winnipeg, Manitoba, Canada
• Private Training Establishment, a category of tertiary education organisations in New Zealand
• University of Pécs (Pécsi Tudományegyetem), Hungary

• Periodic table of elements
• Phosphotriesterase, an enzyme
• PicturesToExe, slideshow software
• Post-traumatic epilepsy, recurrent seizures that result from head trauma
• Power Tab Editor, guitar tablature software
• Pressure-tolerant electronics, components that operate satisfactorily under high pressure, such as in submarines
• Page table entry, the operating system's mapping of virtual address to physical address in a page table
• Phantom Transfer Engine, software used with the Spirit DataCine
• CVH-PTE engine, a Ford CVH engine
• Performance testing environment, in a performance test

• Pearson Test of English, several of the Pearson Language Tests
• Portuguese escudo, the former official currency of Portugal
• Private (rank), a military rank
• Permission to enter
• Proprietary company in Singapore