- DAOS stands for Domino Attachment and Object Service
- DAOS stands for Dame Alice Owen’s School (UK)
- DAOS stands for Design Approved Organisation Scheme (aerospace; UK)
- DAOS stands for Dunstable Amateur Operatic Society (UK)
- DAOS stands for Détachement ALAT (French Army Light Aviation) des Opérations Spéciales (French: Detachment for Special Operations; France)
DAOS