CAGS may refer to:

• Centre for Arab Genomic Studies, the centre studying genomic disorders among Arabs.
• Coronary artery graft surgery, a medical procedure to treat coronary artery disease.
• Certificate of Advanced Graduate Study, a certificate earned after the receipt of a Master's degree.
• Canadian Association of General Surgeons, self-explanatory
• Cobram Anglican Grammar School, an grammar school in Cobram Australia

• Ascott-under-Wychwood station
• Ascott under Wychwood station
• Ascott-under-Wychwood train station
• Ascott under Wychwood train station
• Ascot under Wychwood
• Ascot-under-Wychwood
• Ascot United F. C.
• Ascot United F C
• Ascot United FC
• Ascot, Victoria (Bendigo)
• Ascou
• Ascounais
• Asco, Upper Corsica
• Ascoux
• AS Covaci
• Ascovaginospora
• Ascovaginospora stellipala
• Ascovirgaria
• Ascovirgaria occulta
• Ascoviridae
• Ascoxyta
• Ascoxyta quercina
• Ascoyunnania
• Ascozonus
• ASCP Foundation