Posted in Business & Finance, Information Technology, Organizations, Schools & Education, Science DUG stands for Digital Underground DUG stands for Denver Urban Gardens (est. 1985; Denver, CO) DUG stands for Datatel Users’ Group DUG stands for Diplôme d’Université de Gemmologie (French: University Diploma of Gemology) DUG stands for Delphi Users Group (client/server development)