OPD

OPD is an abbreviation for:

• Oberpostdirektion
• Open Parliamentary Debate, a Debattierformat
• Operationalized psychodynamic diagnostics
• Ozone depletion potential; Ozone depletion potential
• Organic photodetector
• Ortho -phenylene diamine, an aromatic nitrogen compound
• A file format the text recognition software OmniPage

• Disambiguation
• Abbreviation