| Acronym | Definition |
|---|
| IDEAS | Initiative to Develop Education Through Astronomy and Space |
| IDEAS | Integrated Decisions and Systems, Inc. (various locations) |
| IDEAS | Interagency Disability Educational Awareness Showcase (Conference) |
| IDEAS | Ingeniería de Requisitos y Ambientes de Software |
| IDEAS | Interior Department Electronic Acquisition System |
| IDEAS | Interactive Dialogue with Educators Across the State |
| IDEAS | Improving Dreams, Equality, Access and Success |
| IDEAS | International Defence Exhibition & Seminar (Karachi, Pakistan) |
| IDEAS | Information on Disability - Equipment, Access Service |
| IDEAS | Innovative Design and Excellence in Architecture with Steel |
| IDEAS | International Defence Enterprise Architecture Specification |
| IDEAS | Institute of Development, Environment and Agricultural Studies |
| IDEAS | Integrated Design Environment for Assessment of Computer Systems and Communication Networks |
| IDEAS | Integrated Detector and Electronics AS |
| IDEAS | Intelligence Data Elements Authorized Standards |
| IDEAS | Integrating Development, Environment and Sustainability |
| IDEAS | Integrated Design & Analysis System |
| IDEAS | Integrity Diligence Etiquette Altruism Sincerity (AABank.Net) |
| IDEAS | Interactive Design and Evaluation of Advanced Spacecraft |
| IDEAS | Integrated Development Environment & Application Servers |
| IDEAS | Inshore Data Evaluation and Analysis System |
| IDEAS | Iniciativas Para La Democracia, Educación Y Acción Social (Spanish: Initiatives for Democracy, Education and Welfare; Santiago, Chile) |
| IDEAS | Integrated Data Evaluation & Analysis System |