- CADG stands for Chat About Depression Glass (web forum)
- CADG stands for Central Asia Development Group (Singapore)
- CADG stands for Corporate Awareness and Development Group (Australia)
- CADG stands for Curdridge Amateur Drama Group (UK)
- CADG stands for Cambridgeshire Advanced Driving Group (Cambridge, UK)
- CADG stands for Columbus-America Discovery Group
- CADG stands for Club Andernosien de Gymnastique (French: Andernosien Gymnastics Club; Andernos-les-Bains, France)
- CADG stands for Calderdale Athletic Development Group (Halifax, West Yorkshire)
CADG