Editing PDF (disambiguation)

'''[[PDF]]''' often refers to the Portable Document Format in computing.

'''PDF, pdf, Pdf, PdF''' or similar may also refer to:
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==Computing and telecommunications==
* Pop Directional Formatting (Unicode character U+202C), a formatting character in [[bi-directional formatting]]
* [[Printer description file]], describing capabilities of PostScript printers
* [[Profile-directed feedback]], a compiler optimization better known as Profile-Guided Optimization (PGO)
* [[Program Development Facility]], in the IBM z/OS operating system
* [[Pair distribution function]]
* [[Powder Diffraction File]]
* [[Probability density function]]

==Mathematics==
* [[Probability density function]]
* [[Probability distribution function (disambiguation)]]

==Organisations==
* [[Parkinson's Disease Foundation]], a medical foundation
* [[PDF Solutions]], a company based in San Jose, California
* [[Peace Development Fund]], a non-profit public foundation based in Amherst, Massachusetts

===Military===
* [[Panama Defense Forces]]
* [[People's Defence Force (Myanmar)]], armed wing of the Burmese government-in-exile since 2021
* [[People's Defence Force (Singapore)]]
* [[Permanent Defence Forces]], the standing branches of Ireland's military
* [[Puntland Dervish Force]], Armed force of Puntland

===Politics===
* [[Parti de la France]]
* [[People's Democratic Front (Hyderabad)]], a political party that existed in India during the early 1950s
* [[Progressive Democratic Front (Andhra Pradesh)]], a political party in the Indian state of Andhra Pradesh
* [[Party of Progress (Germany)]] (''Partei des Fortschritts''), a political party in Germany founded in 2020
* [[People's Democratic Front (Burma)]]
* [[People's Democratic Front (Indonesia)]]
* [[People's Democratic Front (Iran)]]
* [[People's Democratic Front (Meghalaya)]], India
* [[People's Democratic Front (Romania)]]
* [[Popular Democratic Front (Italy)]]

==Other uses==
* [[PDF (gene)]], a gene that in humans encodes the enzyme peptide deformylase
* [[Palladium fluoride]] (PdF), a series of chemical compounds
*[[Parton distribution function]], in particle physics
* Peak draw force, in a [[compound bow]] in archery
* [[Percival David Foundation of Chinese Art]]
* [[Pigment dispersing factor]], in biology
* [[Planar deformation features]], in geology
* [[Playa del Fuego]], a Delaware art festival
* [[Postdoctoral researcher|Post-Doctoral Fellowship]]
* PDF file, a euphemism of [[pedophile]]

==See also==
* [[KPDF-CD]], a television station in Phoenix, Arizona
* [[PDF417]], or "portable data file 417", a two-dimensional barcode

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