| OASIS | Ocean And Atmospheric Sounding Interferometer System | - | Computer Acronyms(common) |
| OASIS | Organization For The Advancement Of Structured Information Standards | - | Computer and Internet |
| OASIS | Oceanic And Atmospheric Scientific Information System | - | Organizations |
| OASIS | Objects And Agents For Information Systems And Simulation - Organization For The Advancement Of Structured Information Standards | - | Astronomy |
| OASIS | Ontario Agencies Supporting Individuals With Special Needs | - | Astronomy |
| OASIS | Ontario Association Of Sewage Industry Services | - | Astronomy |
| OASIS | Oceanic & Atmospheric Scientific Information System | - | Business and Finance |
