PPD

PPD may refer to:

Security

• In the United States, the Protective Services Detail, also known as Personal Protection Detail or Personal Protective Division (PPD), the Inner Circle of Secret Service appointed to protect high-visibility or high-risk individuals and/or groups including the President of the United States, the Vice President of the United States, visiting Heads of State, Presidential presumptive nominees and the like

Computing

• Pixels per Degree, a measure of the quality of a display
• Points Per Day is a mechanism for measuring work done in the Folding@home distributed computing project
• PostScript Printer Description files are created by vendors to describe the entire set of features and capabilities available for their PostScript printers

Political parties

• Popular Democratic Party of Puerto Rico (Partido Popular Democrático), a political party in Puerto Rico
• Partido Popular Democrático/Partido Social Democrata, a political party in Portugal
• Partito Popolare Democratico Svizzero, a political party in Switzerland
• Party for Democracy (Partido por la Democracia), a political party in Chile

Science and Medicine

• p-Phenylenediamine, an aromatic amine
• Paranoid personality disorder, a psychiatric diagnosis
• Persistent Pigment Darkening, a measure of UVA protection by sunscreens
• Pharmaceutical Product Development, a Global contract research organization (CRO)
• Postharvest physiological deterioration, a process that renders root tubers of cassava black and inedible
• Postpartum depression, an after childbirth condition, is a mental health disorder striking women within the first year after giving birth
• Pour Point Depressant, a chemical added to crude oil to depress (lower) the Pour point
• ppd, Protopanaxadiol, an active molecule
• Purified Protein Derivative, also known as the Mantoux screening test, Tuberculin Sensitivity Test, Pirquet test, or PPD test, used for tuberculosis testing
• Pheophorbidase, an enzyme

Recording Marketing (Music)

• Published Price to Dealers (PPD)

Miscellaneous

• Pani Poni Dash!, an anime series
• Partners in Population and Development, an intergovernmental organization
• Philadelphia Police Department, a police agency in Pennsylvania, U.S.
• Phoenix Police Department, a police agency in Arizona, U.S.
• Pontypridd railway station, Wales, National Rail station code
• PPD-40, a Russian submachine gun
• Pre-Paid Legal Services, Inc., New York Stock Exchange ticker symbol
• Prevention Project Dunkelfeld, an effort to help self-identifying pedophiles to stay offence free
• Published Price to Dealer, a music industry term designating unit price
• Postponed, most commonly a sporting event, especially baseball, usually due to rain, see also Rainout (sports)