| AC | actual costs |
| ADR | alternate dispute resolution |
| BAC | budget at completion |
| BAU | business as usual |
| CEO | chief executive officer |
| CIO | chief information officer |
| COO | chief operating officer |
| CPI | cost performance index |
| CPM | critical path method |
| CV | cost variance |
| D&C | design and construct |
| DCF | discounted cash flow |
| DSDM | Dynamic Systems Development Method |
| EAC | estimate at completion |
| EOI | expression of interest |
| EOT | extension of time |
| ETC | estimate to complete |
| EV | earned value |
| EVA | earned value analysis |
| EVM | earned value management |
| HRM | human resource management |
| IFB | invitation for bid |
| ISO | International Organization for Standardization |
| ITT | invitation to tender |
| KPI | key performance indicators |
| KRAC | keep, remove, add, change |
| MBTI | Myers-Briggs Type Indicator |
| MoSCoW | must have, should have, could have, won’t have |
| MOU | memorandum of understanding |
| MSDS | material data safety sheet |
| NPV | net present value |
| PARIS | participate, approve, responsible, inform, signoff |
| PBOK | personal body of knowledge |
| PC | practical completion |
| PDCA | plan, do, check, act |
| PERT | Program evaluation review technique |
| PMBOK | Project Management Body of Knowledge |
| PMCD | project management competency development [framework] |
| PMMM | project management maturity model |
| PMO | project management office |
| PO | project office |
| PRINCE2 | projects in controlled environments |
| PSG | project steering group |
| PV | planned value |
| RACI | responsible, approve, consult, inform |
| RBS | risk breakdown structure |
| RFI | request for information |
| RFQ | request for quotation |
| RFT | request for tender |
| ROI | return on investment |
| RPL | recognition of prior learning |
| SEAM | stakeholder engagement assessment matrix |
| SLA | service level agreement |
| SMART | specific, measurable, achievable, realistic, timeframed |
| SME | subject-matter experts |
| SMP | stakeholder management plan |
| SOP | standard operating procedure |
| SOW | statement of work |
| SPI | schedule performance index |
| SPMO | strategic management project office |
| SV | schedule variance |
| SWOT | strengths, weaknesses, opportunities and threats |
| TBC | total budgeted cost |
| TCPI | to-complete performance index |
| TOC | theory of constraints |
| TQM | total quality management |
| VAC | variance at completion |
| WBS | work breakdown structure |
| WHS | work, health and safety |