PDB

PDB may refer to:

• Chess Problem Database Server (PDB Server)
• 1,4-Dichlorobenzene (paradichlorobenzene)
• Party of German-speaking Belgians, (German: Partei der deutschsprachigen Belgier), a political party and predecessor of the ProDG
• PDB (Palm OS), a container format for record databases in Palm OS, Garnet OS and Access Linux Platform
• Pee Dee Belemnite, a standard for stable Carbon-13 and Oxygen-18 isotopes; see δ13C#Reference standard
• Pluggable database, such as an Oracle Database in a multitenancy environment
• Potato dextrose broth, a common microbiological growth media
• Pousette-Dart Band
• President's Daily Brief, sometimes referred to as the President's Daily Briefing or the President's Daily Bulletin, a top-secret document produced each morning for the President of the United States
• Program database, a file format for storing debugging information
• Promised Day Brigade, an Iraqi Shia organisation
• Protein Data Bank
• Protein Data Bank (file format)
• Python Debugger, see Python (programming language)