Posted in Business & Finance, Health & Medicine, Organizations 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