Ipf or IPF may refer to: Computing Interchangeable Preservation Format, an Amiga Disk File format Invalid page fault, related to virtual memory Information Presentation Facility, help system on OS/2 IPFilter, firewall and NAT on Unix Itanium processor family, a computer architecture Other Idiopathic pulmonary fibrosis, a chronic and fatal disease affecting lung function Independent Production Fund, a foundation that supports the production of Canadian entertainment content Indian People's Front, a mass organisation Intaken piled fathom, a cubic measure used for the shipment of pit props International Pen Friends, an organization providing pen pals International Policy Forum, student-run think tank based at Carleton University in Ottawa, Ontario, Canada International Powerlifting Federation Ipf (mountain), a mountain in southern Germany Iterative proportional fitting, estimates values in an N-dimensional matrix See also YPF, an Argentinian oil company. Its name is spelled out in Spanish as "IPF".