Democratic Alliance for the Betterment of Hong Kong, a political party in the Hong Kong Special Administrative Region of the People's Republic of China

Daytona Beach International Airport (IATA airport code: DAB) in Florida, United States

In the sport of Bouldering, an inadvertent grazing of a pad or spotter that renders an ascent invalid

Dortmunder Actien Brauerei, producers of Dab lager

Dansk Automat Brancheforening, the Danish branch of EUROMAT

Dave & Buster's, a chain of restaurants in the United States

Dab (cat), a character in the Deptford Histories

Methyl yellow (or p-dimethylaminoazobenzene), a pH indicator

3,3'-Diaminobenzidine tetrahydrochloride, the neutralized, water-soluble form of the above (3,3'-Diaminobenzidine) commonly used in immunohistochemical staining

Dabs.com, a retailer in the UK

Defense Acquisition Board, a group that reviews proposed purchases by the United States Department of Defense

Common dab, a kind of flatfish

Dąb Coat of Arms, a Polish coat of arms

Dabbing in Motorcycling, To touch the ground with feet or hands while bicycling or motorcycling

Dansk Almennyttigt Boligselskab a Danish non-profit housing association

Dąb, a town in Poland