| Subject | English | Thesaurus |
| tech., abbr. | Accident Source Term Program Office | ASTPO |
| abbr., post | Address Program Support Office | APS (Office of Operations Support) |
| mil., abbr. | Advanced Aircraft Programs Office | AAPO |
| abbr., scottish | Advanced Composites Programs Office | ACPO (USA) |
| mil., abbr. | Advanced Space Program Office | ASPO |
| mil., abbr. | Air Force Mortuary Services Office | AFMSO |
| abbr., scottish | Air Force Program Executive Office | AFPEO (USAF) |
| abbr., scottish | Air Force Services Office | AFSO (USAF) |
| abbr., scottish | Air Force's Co-ordinating Office for Logistics Research | AFCOLR (USAF) |
| transp., avia. | air traffic services reporting office | ARO |
| abbr., avia. | Air Traffic Services Reporting Office | ARO (vp_73) |
| abbr., scottish | Air-Land Programs Office | ALPO (USA) |
| mil., abbr. | Area Joint Blood Program Office | AJBPO |
| mil., abbr. | Armed Services Community Housing Office | ASCHO |
| mil., abbr. | Armed Services Graves Registration Office | ASGRO |
| abbr., scottish | Armed Services Medical Regulating Office | ASMRO (USA) |
| mil., abbr. | Armed Services Medical Regulating Office | ASMRO |
| abbr., scottish | Armed Services Procurement Office | ASPO |
| mil., abbr. | Armed Services Procurement Planning Office | ASPPO |
| mil., abbr. | Armed Services Production Planning Office | ASPPO |
| mil., abbr. | Army Aeronautical Services Office | AASO |
| mil., abbr. | Army Model Improvement Program Management Office | AMMO |
| abbr., mil., WMD | Army Product Engineering Services Office | APESO |
| mil., abbr. | Army Program Executive Office for Strike Command | STRI |
| abbr., mil. | Army Programme Office | APO (qwarty) |
| mil., abbr. | Army Space Program Office | ASPO |
| abbr., scottish | Atomic Co-ordinating Office | ACO (Washington DC; W) |
| ocean., abbr. | AWIPS Program Office | APO |
| mil., abbr. | Ballistic Missile Defense Program Office | BMDPO |
| mil., abbr. | BMEWS system program office | BSPO |
| univer., abbr. | Business And Office Student Services | BOSS |
| abbr., scottish | Central MASINT Technology Co-ordinating Office | CMTCO (USA) |
| mil., abbr. | Community Open Source Program Office Cotangent | COSPO |
| abbr., comp., net. | Computing Services Office | CSO |
| abbr., mil., WMD | Cooperative Threat Reduction Program Office | CTRPO |
| USA | Coordinating Tax Services Office | CTSO |
| abbr., mil., WMD | CTR Program Office | CTRPO |
| IT, abbr. | Dedicated Office Systems and Services | DOSS |
| mil., abbr. | Deep Attack Program Office | DAPO |
| energ.ind., abbr. | Defence Facilities Decommissioning Program Office | DFDPO |
| abbr., scottish | Defense Contract Administration Services Office | DCASO (USA) |
| mil., abbr. | Defense Dissemination Program Office | DDPO |
| abbr., mil., commer. | Defense Product Engineering Services Office | DPESO |
| mil., abbr. | Defense Program Management Office | DPMO |
| mil., abbr. | Defense SAAMS Program Management Office | DSPMO |
| mil., abbr. | Defense Support Program Office | DSPO |
| abbr., mil., WMD | Deputy Director Acquisition Policy and Program Integration for Acquisition Systems Management, Office of the Under Secretary of Defense for Acquisition | Dep Dir, ASM |
| abbr., mil., WMD | Director of Acquisition Program Integration, Office of the Under Secretary of Defense for Acquisition | Dir, API |
| mil., abbr. | DOD IPv6 Transition Office | DITO |
| abbr., astronaut. | Earthnet Programme Office | EPO (ESA) |
| abbr. | Energy Innovation Programme Office | EIPO (igisheva) |
| softw., abbr. | Enterprise Architecture Program Management Office | EAPMO |
| ecol., abbr. | Environmental Protection Agency - Office of Water Programs | EPA-OWP |
| ecol., abbr. | Estuarine Programs Office | EPO |
| abbr. | Food Security Program and Disaster Prevention Coordination Office | FSPDPCO (Дюнан) |
| abbr., scottish | General Defence Intelligence Programme office | GDIP (USA) |
| univer., abbr. | Graduate Programs Office | GPO |
| IT, abbr. | Information Technology Standards Program Office | ITSPO (organization, USA) |
| abbr., insur. | Insurance Services Office | ISO |
| tradem., abbr. | Insurance Services Office, Inc. | ISO |
| mil., abbr. | Integrated Program Office | IPO |
| mil., abbr. | Intelligence Program Management Office | IPMO |
| mil., abbr. | Intelligence Support Program Office | ISPO |
| mil., abbr. | International Program Office | IPO |
| abbr., scottish | International Programme Office | IPO |
| mil., abbr. | Joint Advance Signal Intelligence Program Office | JASPO |
| mil., abbr. | Joint Airborne SIGINT Program Office | JASPO |
| mil., abbr. | Joint Blood Program Office | JBPO |
| abbr., mil. | Joint Program Executive Office | JPEO (qwarty) |
| abbr., scottish | Joint Program Management Office | JPMO (USA) |
| mil., abbr. | Joint Program Management Office | JPMO |
| abbr., scottish | Joint Program Office | JPO (USA) |
| USA | Joint Program Office | JPO |
| abbr., scottish | Joint Program Office Biological Defense | JPOBD (USA) |
| abbr., scottish | Joint Service Cruise Missile Program Office | JSCMPO (USAF & Navy) |
| mil., abbr. | Joint Services Cruise Missile Program Office | JSCMPO |
| mil., abbr. | Joint Services Office | JSO |
| abbr., scottish | Joint Surface-Effect Ship Program Office | JSESPO (USA) |
| mil., abbr. | Joint System Program Office | JSPO |
| mil., abbr. | Joint Tactical Fusion Program Management Office | JTFPMO |
| mil., abbr. | Joint Tactical Fusion Program Office | JTFPO |
| mil., abbr. | Joint Tactical Missile Defense Program Office | JTMDPO |
| mil., abbr. | Joint Tactical UAV Program Office | JTUPO |
| mil., abbr. | Joint Theater Missile Defense Program Office | JTMDPO |
| comp., MS | Microsoft® Office Groove® Enterprise Services | Microsoft Office Groove Enterprise Services (Microsoft Web-based tools designed for centrally managing smaller deployments of Microsoft Office Groove 2007 without any onsite server infrastructure) |
| mil., abbr. | Military Blood Program Office | MBPO |
| abbr., scottish | NASP Joint Program Office | NASP JPO (USA) |
| ecol., abbr. | National Climate Program Office | NCPO |
| abbr., cartogr. | National Geospatial Program Office | NGPO (Yuriy Sokha) |
| ocean., abbr. | National Marine Pollution Program Office | NMPPO |
| mil., abbr. | NATO AEW Program Office | NAPO |
| mil., abbr. | NATO Sidewinder Program Office | NSPO |
| abbr., scottish | Naval Air Projects Co-ordination office | NAPC (USA) |
| abbr., scottish | Naval Air System Program Office | NASPO (USA) |
| mil., abbr. | Naval Air System Program Office | NASPO |
| IT, abbr. | Office Automation Technology and Services | OATS (OA) |
| IT, abbr. | Office Automation Technology and Services | OATS |
| transp., abbr. | Office of Aircraft Services | OAS |
| univer., abbr. | Office Of Arts And Sciences Information Services | OASIS |
| ocean., abbr. | Office of Charting and Geodetic Services | C&GS |
| NGO, abbr. | Office of Children's Ombudsman | OCO |
| USA | Office of Community Oriented Policing Services | COPS |
| USA | Office of Community Services | OCS |
| abbr., scottish | Office of Defense Co-ordination | ODC (USA) |
| energ.ind., abbr. | Office of Defense Programs | DP |
| abbr., mil. | Office of Director of Defense Program Analysis and Evaluation | Office of the Secretary of Defense |
| USA | Office of Federal Contract Compliance Programs | OFCCP |
| abbr. | Office of General Services | OGS |
| ocean., abbr. | Office of Global Programs | OGP |
| polit., abbr. | Office Of Hearings And Mediation Services | OHMS |
| univer., abbr. | Office of Instructional Services | OIS |
| UN, abbr. | Office of Internal Oversight Services | OIOS |
| USA | Office of International Programs | OIP |
| USA | Office of Justice Programs | OJP |
| abbr. | Office of Manpower Development Program | OMDP |
| univer., abbr. | Office of Marine Programs | OMP |
| abbr. | Office of Medical Assistance Programs | OMAP |
| mil., abbr. | Office of Military Assistance Program | OMAP |
| USA | Office of Polar Programs at the National Science Foundation | OPP |
| mil., abbr. | Office of Preparedness, General Services Administration | OP/GSA |
| mil., abbr. | Office of Program Analysis and Evaluation | OPAE |
| mil., abbr. | Office of Program Appraisal | OPA |
| mil., abbr. | Office of Program Review and Resources Management | OPRRM |
| USA | Office of Quality Programs | OQP |
| NASA, abbr. | Office of Quality Services | OQS |
| USA | Office of Small Business Programs | OSBP |
| ed., abbr. | Office of Special Education and Rehabilitative Services | OSERS |
| ed., abbr. | Office of Special Education Programs | OSEP |
| IT, abbr. | Office of Strategic Services | OSS (later CIA) |
| abbr., scottish | Office of Strategic Services | OSS (Replaced by CIA) |
| FBI., abbr. | Office of Strategic Services | OSS |
| mil., abbr. | Office of Support Services | OSS |
| mil., abbr. | Office of the Chief of Support Services | OCSS |
| mil., abbr. | Office of the Director of Aerospace Programs | ODAP |
| abbr., int. law. | Office of the Directorate General of Programmes | ODGP (Ker-online) |
| abbr. | Office Of The Insurance Ombudsman | OIO |
| USA | Office of the Iraq Program Oil for Food | OIP |
| abbr., mil., WMD | Office of the Program Manager for Chemical Munitions | OPMCM |
| mil., abbr. | Office of the Secretary of Defense, Office of Director of Defense Program Analysis and Evaluation | OSD |
| abbr. | Office of Voluntary Programs | OVP |
| univer., abbr. | Office of Water Programs | OWP |
| USA | Office of Workers' Compensation Programs | OWCP |
| ed., abbr. | Office of Youth Programs | OYP |
| abbr. | Office of Youth Services | OYS |
| mil., abbr. | Office, Services and Information Agency | OSIA |
| abbr., post | Office Workers' Compensation Programs | OWCP |
| mil., abbr. | Product Engineering Services Office | PESO |
| IT | Program and project management office | The function responsible for supporting program and project managers, and gathering, assessing and reporting information about the conduct of their programs and constituent projects |
| abbr., mil., WMD | Program Evaluation and Integration Office | PEIO |
| mil., abbr. | Program Executive Office | PEO |
| abbr., scottish | Program Executive Office - Cruise Missiles and UAVs | PEO (US Navy; CU) |
| abbr., scottish | Program Executive Office/Officer | PEO |
| abbr., mil. | Program Executive Office Soldier | PEOS (qwarty) |
| abbr., scottish | Program Management Office | PMO (USA) |
| IT, abbr. | Program Management Office | PMO (Sun, JCP) |
| NASA, abbr. | Program Management Office | PMO |
| abbr., mil., WMD | Program Manager for Chemical Demilitarization-Environmental and Monitoring Office | PMCD-EMO |
| abbr., mil., WMD | Program Manager for Chemical Demilitarization-Public Affairs Office | PMCD-PAO |
| abbr., mil., WMD | Program Manager for Chemical Demilitarization-Risk Management and Quality Assurance Office | PMCD-RMQAO |
| abbr., mil., WMD | Program Manager's Office | PMO |
| abbr. | Program Officer | PO (Alex Lilo) |
| abbr., mil., WMD | Program Office and Independent Life-Cycle Cost Estimate | PO&ILCCE |
| abbr., mil., WMD | Program Office Estimate | POE |
| abbr., scottish | Range Applications Joint Program Office | RAJPO (USA) |
| mil., abbr. | Range Applications Joint Program Office | RAJPO |
| abbr., scottish | Rotorcraft Program Office | RPO (USAF) |
| abbr., scottish | SAMMS Program Management Office | DSPMO (USA) |
| mil., abbr. | SAMMS program management office | SPMO |
| abbr. | Science Co-operation Office for South-East Asia | SEASCO |
| univer., abbr. | Student Services Office | SSO |
| abbr., scottish | System Program Office | SPO (USA) |
| tech., abbr. | System Program Office | SPO |
| abbr., mil., commer. | System Program/Project Office | SPO (Air Force) |
| mil., abbr. | TACSIM Program Office | TPO |
| mil., abbr. | Target Materials Program Office | TMPO |
| mil., abbr. | Technical Program Integration Office for the Army Battlefield Command System | TPIOABCS |
| mil., abbr. | Technical Program Integration Office for the Army Battlefield Command System | TPIO |
| abbr., astronaut., mil. | Technology Transition Office | TTO (USAF) |
| mil., abbr. | TRADOC Program Integration Office | TPIOABCS (Army Battlefield Command System) |
| mil., abbr. | TRADOC Program Integration Office | TPIO (Army Battlefield Command System) |
| abbr., scottish | Tri-lateral Program office, COBRA | TPC |
| meteorol., abbr. | UCAR University Corporation For Atmospheric Research Office of Programs | UOP |
| abbr., scottish | UN Office for the Co-ordination of Humanitarian assistance to Afghanistan | UNOCHA |
| univer., abbr. | Undergraduate Programs Office | UPO |
| abbr. | United Nations Office for Project Services | UNOPS |
| mil., abbr. | Unmanned Aerial Vehicle Joint Program Office | UAVJPO |
| abbr., scottish | US Navy International Program Office | NIPO |
| abbr., scottish | WIS, Joint Program Management Office | WIS JPMO (USA) |
| ocean., abbr. | WOCE Hydrographic Program Office | WHPO |
