| AC | Actual Cost |
| ACWP | Actual Cost of Work Performed |
| AHP | Analytical Hierarchy Process |
| AOA | Activity on Arrow |
| AON | Activity on Node |
| BAC | Budget at Completion |
| BAU | Business as Usual |
| BCP | Business Continuity Plan |
| BCWP | Budgeted Cost of Work Performed |
| BCWS | Budgeted Cost of Work Scheduled |
| BI | Business Intelligence |
| BPM | Business Process Management |
| BPR | Business Process Reengineering |
| CAC | Cost at Completion |
| CAPEX | Capital Expenditure |
| CCB | Change Control Board |
| CCPM | Critical Chain Project Management |
| CEO | Chief Executive Officer |
| CFO | Chief Financial Officer |
| CI | Continuous Improvement |
| CMS | Content Management System |
| COO | Chief Operating Officer |
| COQ | Cost of Quality |
| CPI | Cost Performance Index |
| CPIF | Cost Plus Incentive Fee |
| CPM | Critical Path Method |
| CRM | Customer Relationship Management |
| CSR | Corporate Social Responsibility |
| CV | Cost Variance |
| DAD | Disciplined Agile Delivery |
| DMAIC | Define, Measure, Analyze, Improve, Control |
| DSDM | Dynamic Systems Development Method |
| EAC | Estimate at Completion |
| EF | Early Finish |
| EMV | Expected Monetary Value |
| EOD | End of Day |
| ERP | Enterprise Resource Planning |
| ES | Early Start |
| ETA | Estimated Time of Arrival |
| ETC | Estimate to Complete |
| EV | Earned Value |
| EVM | Earned Value Management |
| FDD | Feature Driven Development |
| FF | Finish-to-Finish |
| FMEA | Failure Modes and Effects Analysis |
| FS | Finish-to-Start |
| FTE | Full-Time Equivalent |
| FYI | For Your Information |
| GANTT | Gantt Chart (named after its creator, Henry Gantt) |
| GERT | Graphical Evaluation and Review Technique |
| IoT | Internet of Things |
| IPMA | International Project Management Association |
| IRR | Internal Rate of Return |
| ISO | International Organization for Standardization |
| IT | Information Technology |
| ITIL | Information Technology Infrastructure Library |
| Kaizen | Continuous improvement strategy (Japanese term) |
| KPI | Key Performance Indicator |
| KRA | Key Result Area |
| KSI | Key Success Indicator |
| L&D | Learning and Development |
| LEAN | Methodology focused on reducing waste and improving processes |
| LF | Late Finish |
| LMS | Learning Management System |
| LOI | Letter of Intent |
| LS | Late Start |
| MBO | Management by Objectives |
| MBO | Management by Objectives |
| MDLC | Master Data Life Cycle |
| MIS | Management Information System |
| MoSCoW | Must have, Should have, Could have, Won't have |
| MoU | Memorandum of Understanding |
| MPM | Modern Project Management |
| MTBF | Mean Time Between Failures |
| MTTR | Mean Time to Repair |
| NDA | Non-Disclosure Agreement |
| NPV | Net Present Value |
| OBS | Organizational Breakdown Structure |
| OJT | On-the-Job Training |
| OKR | Objectives and Key Results |
| OPEX | Operational Expenditure |
| OPM3 | Organizational Project Management Maturity Model |
| P&L | Profit and Loss |
| PaaS | Platform as a Service |
| PDCA | Plan-Do-Check-Act |
| PDP | Professional Development Plan |
| PERT | Program Evaluation and Review Technique |
| PEST | Political, Economic, Social, Technological |
| PFA | Project Framework Agreement |
| PMBOK | Project Management Body of Knowledge |
| PMI | Project Management Institute |
| PMIS | Project Management Information System |
| PMO | Project Management Office |
| PMP | Project Management Professional |
| POC | Proof of Concept |
| PV | Planned Value |
| QA | Quality Assurance |
| QBR | Quarterly Business Review |
| QC | Quality Control |
| QFD | Quality Function Deployment |
| R&D | Research and Development |
| RACI | Responsible, Accountable, Consulted, Informed |
| RAG | Red, Amber, Green (status reporting system) |
| RAM | Responsibility Assignment Matrix |
| RBS | Risk Breakdown Structure |
| RCA | Root Cause Analysis |
| RFI | Request for Information |
| RFP | Request for Proposal |
| RFQ | Request for Quotation |
| ROI | Return on Investment |
| RPA | Robotic Process Automation |
| SaaS | Software as a Service |
| SDLC | Software Development Life Cycle |
| SF | Start-to-Finish |
| SLA | Service Level Agreement |
| SMART | Specific, Measurable, Achievable, Relevant, Time-Bound |
| SME | Subject Matter Expert |
| SOW | Statement of Work |
| SPI | Schedule Performance Index |
| SS | Start-to-Start |
| SWOT | Strengths, Weaknesses, Opportunities, Threats |
| TAT | Turnaround Time |
| TBD | To Be Determined |
| TCO | Total Cost of Ownership |
| TDD | Test-Driven Development |
| TF | Total Float |
| TFS | Team Foundation Server |
| TIA | Time Impact Analysis |
| TOR | Terms of Reference |
| TQM | Total Quality Management |
| VAC | Variance at Completion |
| VR | Virtual Reality |
| VSM | Value Stream Mapping |
| WBS | Work Breakdown Structure |
| XP | Extreme Programming |
