English abbreviations from cos to cosin
- COS (Chief of section)
- COSA (Coptic Orphans Support Association)
- COSAC (Canadian Open Systems Application Criteria)
- COSAGE (Combat Sample Generator)
- COSC (Cambuslang Out of School Care)
- COSCOM (Corps support command (US Army))
- COSD (Center for Oral and Systemic Diseases)
- COSE (Common Open Software Environment)
- COSER (COoperative SERvice)
- COSEWIC (Committee On the Status of Endangered Wildlife In Canada)
- COSG (Cross of the Order of the Star of Ghana)
- COSHH (Control Of Substances Hazardous to Health)
- COSI (Center Of Science And Industry)
- COSIA (Cultivating Our Sisterhood International Association, Inc.)
- COSIN (Control Staff Instructions)