PTI

PTI may refer to:

Arts and entertainment

 * Pardon the Interruption, an American television sports show
 * PTI, a musical group on the WTII Records label

Organizations

 * Pakistan Tehreek-e-Insaf, a Pakistan political party founded in 1996 by Imran Khan
 * Partai Tionghoa Indonesia (Chinese Indonesian Party), a political party in the Dutch East Indies
 * Pennsylvania Transportation Institute, a research unit of Pennsylvania State University's College of Engineering
 * Philippine Tobacco Institute, a Philippine trade association
 * Piedmont Triad International Airport, an American airport
 * Pittsburgh Technical Institute, an American two-year technical college
 * Portugal Telecom International, a division of Portugal Telecom, a Portuguese telecommunications service provider
 * Post-Tensioning Institute, an American non-profit trade organization
 * Powertech Technology Inc., Taiwanese semiconductor assembler
 * Premier Travel Inn, the former name of the British hotel chain Premier Inn
 * Press Trust of India, an Indian news agency, headquartered in Delhi
 * Public Technical Identifiers, the corporation responsible for maintaining the Internet's unique identifiers on behalf of ICANN as a successor to the Internet Assigned Numbers Authority

Science and technology

 * Page-table isolation, a Linux kernel feature that mitigates the Meltdown security vulnerability
 * Palomar Testbed Interferometer, a long-baseline interferometer at the American Palomar Observatory in San Diego County, California, US
 * PAMP-triggered immunity, an immunity response to pathogen-associated molecular pattern (PAMPs) microbial epitopes in plants
 * Proof Tracking Index, used to measure the electrical breakdown (tracking) properties of an insulating material
 * Ti plasmid (pTi), a circular plasmid used in creation of transgenic plants

Other uses

 * Parent-teacher interview, a short conference between students' parents and teachers
 * Physical training instructor, an instructor in physical fitness
 * Pretrial Intervention Program, a program for first-time offenders in New Jersey, US
 * Produce Traceability Initiative, a program to track produce through the supply chain