| Acronym | Definition |
|---|
| PDO | Php Data Objects (PHP extension) |
| PDO | Pacific Decadal Oscillation (weather) |
| PDO | Petroleum Development Oman |
| PDO | Protected Designation of Origin (EC) |
| PDO | Panchayat Development Officer (India) |
| PDO | Persistent Data Object |
| PDO | Physical Device Object |
| PDO | Php Data Objects |
| PDO | Python Database Object |
| PDO | Product Development and Operations (various organizations) |
| PDO | Property Damage Only (police term for property damage traffic accident) |
| PDO | Program Development Officer (various organizations) |
| PDO | Plan for Development and Operation |
| PDO | 1,3-Propanediol (chemical) |
| PDO | Physical Device Object (Microsoft windows drivers) |
| PDO | Professional Development Online (various organizations) |
| PDO | Panzer Dragoon Orta (game) |
| PDO | Partnership Development Officer (various organizations) |
| PDO | Parents' Day Out (church babysitting program) |
| PDO | Project Development Objective (various applications) |
| PDO | Palladium Oxide |
| PDO | Public Defenders Office |
| PDO | Publishing Distribution Office |
| PDO | Packet Data Optimized |
| PDO | Programs as Data Objects |
| PDO | Paid Day(s) Off |
| PDO | Personal Day Off |
| PDO | Professional Development Outreach (various organizations) |
| PDO | Pook Diemont & Ohl, Inc. (equipment contractor; Bronx, NY) |
| PDO | Program Decision Option |
| PDO | Purchase Delivery Order |
| PDO | Publication Development Order (US Marine Corps) |
| PDO | Philadelphia District Office (US SEC) |
| PDO | Private Development Organization |
| PDO | Potentially Damaging Operation (UK) |
| PDO | Publications Distribution Office(r) |
| PDO | Portable Distributed Object |
| PDO | Public Diplomacy Officer (US Department of State) |
| PDO | Postal Delivery Officer (Australia Post) |
| PDO | Preceding Direct Object (French grammar) |
| PDO | Plan for Production & Operation |
| PDO | Personal Development Objectives |
| PDO | Performance Determination Official |
| PDO | Princes d'Ovalie (French rugby team) |
| PDO | Phased Dependent Operation |
| PDO | Property Disposal Office/r |
| PDO | Pilots Development Officer (UK) |
| PDO | Philips-Dupont Optics (optical disc storage medium) |
| PDO | Public Disclosure Officer |
| PDO | Progressive Distortion Optimal |
| PDO | Past Due Obligation (finance) |
| PDO | Peak Deployable Output (water resources planning) |