| ABNJ | Areas beyond national jurisdictions |
| AI | Artificial intelligence |
| BBNJ | Agreement under the UNCLOS on the Conservation and Sustainable Use of Marine Biological Diversity of Areas beyond National Jurisdiction |
| CBD | Convention on Biological Diversity |
| CO2 | Carbon dioxide |
| CTF | Conservation trust fund |
| DFI | Development finance institution |
| DFNS | Debt-for-nature swap |
| EBM | Ecosystem-based management |
| EEZ | Exclusive economic zone |
| FAO | Food and Agriculture Organization of the United Nations |
| GEF | Global Environmental Facility |
| GHG | Greenhouse gas |
| GPG | Global public good |
| IAS | Invasive alien species |
| IMO | International Maritime Organization |
| IOM | Integrated ocean management |
| IUCN | International Union for the Conservation of Nature |
| IUU | Illegal, unreported, and unregulated |
| KMGBF | Kunming-Montreal Global Biodiversity Framework |
| LDC | Least developed country |
| M&E | Monitoring and evaluation |
| MDB | Multilateral development bank |
| MFI | Microfinance institution |
| MPA | Marine protected area |
| MSC | Marine Stewardship Council |
| MSP | Marine special planning |
| NbS | Nature-based solution |
| NGO | Non-government organisation |
| ODA | Official development assistance |
| PPP | Public-private partnership |
| REDD+ | Reducing Emissions from Deforestation and Forest Degradation |
| RFMO | Regional fisheries management organisation |
| SIDS | Small Island Developing States |
| SME | Small or medium-sized enterprise |
| UNCLOS | United Nations Convention on the Law of the Sea |
| UNDP | United Nations Development Programme |
| UNDP BIOFIN | UNDP Biodiversity Finance Initiative |
| UNEP | United Nations Environment Programme |
| UNEP FI | UNEP Finance Initiative |
Promoting Sustainable Ocean Economies
Guidance for Development Co-operation