PD
- Pd – (s) Palladium
- PD – (i) per diem (Latin: (calculated) by the day) – Point of Departure – Police Department – Postal District – Potential Difference – Principal Deputy – Public Domain – Privatdozent
- PD – (i) Product Director—Example: CERDEC Product Director C4ISR and Network Modernization
- PDA – (i) Personal Digital Assistant – Predicted Drift Angle – Public Display of Affection – Push-Down Automaton
- PDD – (i) Past Due Date – Presidential Decision Directive
- PDF – (i) Panama Defense Forces (abolished 1990) – Portable Document Format – Principal Direction of Fire
- PDG – (i) President Director General – Product Development Group
- PDL – (i) Pure Dumb Luck (Texan punk band)
- PDN – (i) Pull-Down Network
- PDP – (i) Programmable Data Processor – Performance Development Plan
- PDQ – (i) Pre-Defined Queries (Siebel packages) – Pretty Damn Quick
- PDRY – (i) People's Democratic Republic of Yemen (obsolete since 1990)
- PDT – (i) Pacific Daylight Time (UTC-7 hours)
- PDU – (i) Police Dog Unit – Power Distribution Unit – Protocol Data Unit
Read more about this topic: List Of Acronyms And Initialisms: P