TPI

TPI may refer to:

Medicine

• Tehran Psychiatric Institute, an Iranian research institute
• Tianyin Pharmaceutical, a Chinese pharmaceutical company
• TPI test, used to detect presence of Treponema pallidum bacteria
• Triosephosphate isomerase, an enzyme

Technology

• Tire Pressure Indicator, a product by NIRA Dynamics AB
• TPI Specialties, an American auto parts manufacturer
• True Performance Index, a measurement for AMD processors

Units of measure

• Thread count, or threads per inch, used in the textile industry
• Threads per inch, used with threaded fasteners
• Tracks per inch, of magnetic storage media
• Twist per inch, or turns per inch, used in the textile industry

Other uses

• Tangail Polytechnic Institute, in Bangladesh
• Tapini Airport, in Papua New Guinea
• Tarup-Paarup IF, a Danish association football club
• Technique Polytechnic Institute, in West Bengal, India
• Ted Petty Invitational, an independent wrestling tournament in North America
• Televisi Pendidikan Indonesia, now MNCTV, a private television station in Indonesia
• Third-party inspection company
• Tibet Policy Institute, a think tank of the Central Tibetan Administration
• Tok Pisin, a language of Papua New Guinea
• Town Planning Institute, later the Royal Town Planning Institute, a professional organisation in the United Kingdom
• TPI Polene, a Thai cement manufacturer
• TPI theory, in human resource management
• Trading Places International, an American vacation services corporation
• Triebold Paleontology Incorporated, an American fossil company
• Tube Products of India, an Indian steel manufacturer
• Two person integrity, a communications security measure