OPD

OPD may refer to:

Police departments

• Oakland Police Department, a U.S. law enforcement agency in California
• Omaha Police Department, a U.S. law enforcement agency in Nebraska
• Orlando Police Department, a U.S. law enforcement agency in Florida

Other uses

• o-phenylenediamine, a chemical compound
• Object Process Diagram, in object oriented programming
• One Per Desk, a 1980s personal computer and telecommunications terminal
• Optical path difference
• Organizational Process Definition
• Outpatient department, part of a hospital
• Overfill Protection Device, a safety mechanism incorporated in the valves of propane cylinders
• Pico dos Dias Observatory, a Brazilian astronomical observatory
• Office of Public Diplomacy, a US propaganda agency during the Reagan era
• Organic personality disorder
• Operator protection device, an alternative to roll bar mandatory on all new Australian ATV's

See also

• OPDS (disambiguation)