| 4-H | Head, Heart, Hands, and Health | |
| AAFCS | American Association of Family and Consumer Sciences | |
| AAHE | Association of Administrators of Home Economics | |
| AASCARR | American Association of State Colleges of Agriculture and Renewable Resources | |
| ACOP | Academic Programs Committee on Organization and Policy | |
| ADSA | American Dairy Science Association | |
| ANREP | Association of Natural Resource Extension Professionals | |
| APS | American Phytopathological Society | |
| ARS | Agricultural Research Service | |
| ASA | American Society of Agronomy | |
| ASAE | American Society of Agricultural Engineers | |
| ASAS | American Society of Animal Science | |
| ASHS | American Society for Horticulture Science | |
| C-REEMS | Competitive Research, Education, and Extension Management Systems | |
| CAB | Commonwealth Agricultural Bureau | |
| CARET | Council for Agricultural Research, Extension and Teaching | |
| CIP | International Potato Center; also Classification of Instructional Programs | |
| CRIS | Current Research Information System | |
| CSREES | Cooperative State Research, Education, and Extension Service | |
| CSSA | Crop Science Society of America | |
| DOC | Department of Commerce | |
| DOD | Department of Defense | |
| DOE | Department of Energy | |
| DOI | Department of Interior | |
| ECOP | Extension Committee on Organization and Policy | |
| ED | Department of Education | |
| EFNEP | Expanded Food and Nutrition Education Program | |
| EPA | Environmental Protection Agency | |
| ERS | Economic Research Service | |
| ESCOP | Experiment Station Committee on Organization and Policy | |
| ESP | Epsilon Sigma Phi | |
| FAEIS | Food and Agricultural Education Information System | |
| FAO | Food and Agriculture Organization | |
| FS | Forest Service | |
| GASEPA | Globalizing Agricultural Science and Education Programs for America | |
| HHS | Health and Human Services | |
| HSI | Hispanic Serving Institutions | |
| ICIPE | International Center of Insect Physiology and Ecology | |
| ICOP | International Committee on Organization and Policy | |
| ICRISAT | International Crops Research Institute for the Semi-Arid Tropics | |
| IFNS | International Federation of Nematology Societies | |
| IPEDS | Integrated Post-secondary Education System Surveys | |
| IRRI | International Rice Research Institute | |
| ISHS | International Society of Horticultural Science | |
| ISPR | International Society of Photosynthesis Research | |
| ISTM | Information Systems and Technology Management | |
| JCEP | Joint Council of Extension Professionals | |
| NACAA | National Association of County Agriculture Agents | |
| NACTA | North American Colleges and Teachers of Agriculture | |
| NAE4-HA | National Association of Extension 4-H Agents | |
| NAL | National Agricultural Library | |
| NASA | National Aeronautics and Space Administration | |
| NASS | National Agricultural Statistics Service | |
| NASULGC | National Association of State Universities and Land-Grant Colleges | |
| NEAFCS | National Extension Association of Family and Consumer Sciences | |
| NIFA | National Institute of Food and Agriculture | |
| NRCS | Natural Resources Conservation Service | |
| NSF | National Science Foundation | |
| PSA | Poultry Science Association | |
| RBAIS | Research, Budget, Attainment Information System | |
| REE | Research, Education, and Economics | |
| REEIS | Research, Education, and Economics Information System | |
| SED | Survey of Earned Doctorates | |
| SSSA | Soil Science Society of America | |
| USAID | United States Agency for International Development | |
| USDA | United States Department of Agriculture | |
| WHO | World Health Organization | |