ORAS
| Acronym | Definition |
|---|---|
| ORAS | Omega Ruby and Alpha Sapphire (Pokémon) |
| ORAS | Oil Region Astronomical Society |
| ORAS | Organized Response for the Advancement of Society (Philippines) |
| ORAS | Organisatie Rationele Studenten (Netherlands) |
| ORAS | Oral Recurrent Aphthous Stomatitis |