| Acronym | Definition |
|---|
| PIF | Program Information File (file extension) |
| PIF | Pay It Forward (movie) |
| PIF | Partners in Flight (bird conservation) |
| PIF | Pooled Income Fund |
| PIF | Paid In Full |
| PIF | Process Interchange Format |
| PIF | Plug-in Framework |
| PIF | Packet Interchange File |
| PIF | Policy Implementation Framework |
| PIF | Program Information File |
| PIF | Pacific Islands Forum |
| PIF | Preliminary Information Form |
| PIF | Punjab Irregular Force (British Indian army) |
| PIF | Public Investment Fund |
| PIF | Proteolysis Inducing Factor (tumor product) |
| PIF | Partners International Foundation (various locations) |
| PIF | Policies-In-Force (insurance) |
| PIF | Passenger Information Form (various companies) |
| PIF | Picture Interchange Format |
| PIF | Productivity Investment Fund |
| PIF | Peak Instantaneous Flow (wastewater) |
| PIF | Professional Investor Fund |
| PIF | Prolactin Release-Inhibiting Factor |
| PIF | Participant Information Form |
| PIF | Plan Individuel de Formation (French: Individual Training Plan; various locations) |
| PIF | Private Interest Foundation (legal entity) |
| PIF | Problem Identification Form (various organizations) |
| PIF | Property Investment Fund |
| PIF | Public Information Film (UK) |
| PIF | Prototype Integration Facility |
| PIF | Project Initiation Form (various locations) |
| PIF | Partnership Investment Finance (UK) |
| PIF | Policy Investment Framework |
| PIF | Portsmouth Interfaith Forum (UK) |
| PIF | Personnel Information File |
| PIF | Productivity Improvement Fund |
| PIF | Passenger Immigration Form (travel) |
| PIF | Pilot Information File |
| PIF | Payload Integration Facility (NASA) |
| PIF | Project Information File (design document) |
| PIF | Peace Implementation Force |
| PIF | Productivity Improvement Factor |
| PIF | Personal Info Form |
| PIF | Packet Input FIFO (Cisco) |
| PIF | Physics Is Fun (school program) |
| PIF | Performance Influencing Factor |
| PIF | Procurement Information Form (Canada) |
| PIF | Peripheral Interchange Format |
| PIF | Price Increase Factor |
| PIF | Phase Interface Fading |
| PIF | Personnel Identification Feature |
| PIF | Pressure Injected Footing |
| PIF | Poke-International Forums |
| PIF | Process Information Form |
| PIF | Physical Integration Filter |
| PIF | Production Information Form |
| PIF | Provisions of Industrial Facilities |
| PIF | Production Integration Facility |
| PIF | Pay Information File |
| PIF | Place In Inactive File/Folder |