| 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 |