PTI
PTI stands for:
- Pedagogical-Theological Institute, see Religious Pedagogical Institute
- Pakistan Tehreek-e-Insaf , political party in Pakistan
- Palomar Testbed Interferometer
- Paper Testing Instruments , laboratory equipment for paper technology
- Parque Tecnológico Itaipu , bi-national technology park of the countries Brazil and Paraguay
- Press Trust of India , Indian news agency
- PrivatAir (ICAO code), Swiss airline
- Port Douglas Airport (IATA code), Port Douglas Airport (Queensland) , Queensland, Australia
- Proof Tracking Index, comparative value of the tracking resistance of electrical insulators (DIN IEC 112), see tracking resistance
- Physico-Technical Institute of the Academy of Sciences in Saint Petersburg, today the Joffe Institute
- Physical-Technical Institute of the Academy of Sciences of the GDR (1982–1992) in Jena
- Page table isolation, see also KPTI
pti stands for:
- Pintiini (ISO-639-3 code), dialect of the western desert language , one of the Australian languages
