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