// Workers AI · dad joke modeWhat did PDA say to the phone? You're always touching me.

PDA may refer to:

Law and culture

• "PDA" (The Office), an episode from the American television sitcom The Office
• Past Doctor Adventures, spin-off novels from the BBC's Doctor Who
• Pregnancy Discrimination Act, US
• Professional Development Award, offered by Qualifications Scotland
• Pub Design Awards, UK
• Public display of affection, an act of physical intimacy in the view of others

Music

• "PDA" (Interpol song), a song by Interpol
• "PDA", a song by the Backstreet Boys from This Is Us
• "PDA", a song by Audio Adrenaline from Audio Adrenaline
• "P.D.A. (We Just Don't Care)", a song by John Legend

Organizations

• Parenteral Drug Association, a global pharmaceutical trade association
• Pharmacists' Defence Association, UK
• Peruvian Debate Association, for inter-school debating
• Pinoy Dream Academy, the Philippine franchise of Endemol's Star Academy
• Population and Community Development Association, Thailand
• Private defense agency, an enterprise which would provide personal protection and military defense services to individuals
• Professional Driver Association, of NASCAR drivers before the 1969 Talladega 500
• Public development authority, government-owned corporations in Washington, US

Science and technology

• Parts departing aircraft, mid-air loss of screws, rivets, doors, etc.
• Patron-driven acquisition, a mechanism for libraries to purchase books
• Personal digital assistant, an early kind of mobile device
• Photodiode array, a type of detector
• Pitch detection algorithm, to find the pitch of a signal
• Polydiacetylenes, a family of conducting polymers
• Predictive analytics, a form of business analytics
• Pushdown automaton, in automata theory

Biology and medicine

• Pancreatic ductal adenocarcinoma, the main type of pancreatic cancer
• Pathological demand avoidance, in psychology; also known as persistent drive (for) autonomy or extreme demand avoidance
• Patent ductus arteriosus, a heart defect
• Posterior descending artery, an artery
• Potato dextrose agar, a microbiological medium for culturing yeast and fungus

Politics

• Alternative Democratic Pole, a political party in Colombia (Polo Democrático Alternativo)
• Aruban Democratic Party, an Aruban political party (Partido Democrático Arubano)
• Movement of Democratic Action, a political party in Bosnia-Herzegovina (Pokret demokratske akcije)
• Party of Democratic Action, a Bosniak party in Bosnia-Herzegovina
• Presidential Drawdown Authority, US presidential power to transfer defense articles and services in emergencies
• Progressive Democratic Alliance, a former political party in British Columbia, Canada
• Progressive Democrats of America, a progressive political organization