| Acronym | Definition |
|---|
| PIT | Principal, Interest & Taxes |
| PIT | Point-in-Time |
| PIT | Pittsfield (Amtrak station code; Pittsfield, MA) |
| PIT | Personal Income Tax |
| PIT | Partners in Travel (various locations) |
| PIT | Professionals in Training (various organizations) |
| PIT | Passive Integrated Transponder |
| PIT | Prevention, Intervention and Treatment (various locations) |
| PIT | Pulling It Together |
| PIT | Perception and Interactive Technologies (workshop) |
| PIT | Powered Industrial Truck |
| PIT | Pennsylvania Institute of Taxidermy |
| PIT | Pennsylvania Institute of Technology (Media, Pennsylvania) |
| PIT | Periodic Interrupt Timer |
| PIT | Porsgrunn Internasjonale Teaterfestival (Norewegian: Porsgrunn International Theatre Festival; Porsgrunn, Norway) |
| PIT | Polska Izba Turystyki (Polish: Polish Chamber of Tourism) |
| PIT | Programa de Innovación Tecnológica (Spanish: Innovation Research Program; various locations) |
| PIT | Pituitary-Specific Transcription |
| PIT | Precision Immobilization Technique (police high-speed pursuit tactic) |
| PIT | Progetti Integrati Territoriali (Italian: Integrated Territorial Projects) |
| PIT | Progressive Intensity Training |
| PIT | Pack It |
| PIT | Public Information Team |
| PIT | Privacy Intruding Technology |
| PIT | Point in Time |
| PIT | Programmable Interval Timer |
| PIT | Progressive Income Tax(ation) |
| PIT | Pilot Instructor Training |
| PIT | Pressure Integrity Test |
| PIT | Programmable Interrupt Timer |
| PIT | Post Installation Test |
| PIT | Performance Improvement Team (various organizations) |
| PIT | Process Improvement Team |
| PIT | Pursuit Intervention Technique (police high-speed pursuit tactic) |
| PIT | Performance Improvement Training (various organizations) |
| PIT | Public Internet Terminal (various locations) |
| PIT | Independence and Labor Party (Senegal) |
| PIT | Pulsed Inductive Thruster |
| PIT | Packet Interval Timing (computer networks) |
| PIT | Product Identification Tool (software) |
| PIT | Preinstallation Test (US NASA) |
| PIT | Programmer Integration Testing |
| PIT | Pavlovian Instrumental Transfer (psychology) |
| PIT | Parti Ivorien des Travailleurs (French: Ivorian Worker's Party, Ivory Coast) |
| PIT | Permit Improvement Team (EPA) |
| PIT | Partners in Transformation |
| PIT | Potential Impacts Table |
| PIT | Pressure Indicating Transmitter |
| PIT | Product Integration Team |
| PIT | Project Integration Team |
| PIT | Pepperdine Improv Troupe (Pepperdine University, California) |
| PIT | Prohibited Items Test |
| PIT | Platform Information Technology |
| PIT | Processor Interface Table |
| PIT | Passive Injectable Transponders |
| PIT | Panyapiwat Institute of Technology (Thailand) |
| PIT | Preintegrated Truss |
| PIT | Policy Implementation Tools |
| PIT | Pittsburgh, PA, USA - Greater Pit International Airport (Airport Code) |
| PIT | Pilot Induced Turbulence |
| PIT | Photometric Imaging Telescope |
| PIT | Progressive Intensity Training (fitness) |
| PIT | Personal Inventory Taking |
| PIT | Post Implementation Team |
| PIT | Product Improvement Tests |
| PIT | Persimmon IT, Inc. |
| PIT | Percussion In Training |
| PIT | Product Insertion Trip |
| PIT | Part-Time/Intermittent/Temporary Employee |