ABOS
| Acronym | Definition |
|---|---|
| ABOS | American Board of Orthopaedic Surgery |
| ABOS | Association of Bookmobile and Outreach Services |
| ABOS | Associazione Bambini Ospedalizzati Sardegna (Italian: Association of Hospitalized Children in Sardinia; est. 1991; Cagliari, Italy) |
| ABOS | Anorectic Behavior Observation Scale |
| ABOS | Algemeen Bestuur van de Ontwikkelingssamenwerking (Dutch: General Administration for Development; Belgium) |
| ABOS | Astwood Bank Operatic Society (UK) |