ADG or Adg may refer to:
Businesses and organizations Airfield Defence Guards ADG, Asociación Deportiva Guanacasteca, Costa Rican soccer team Alpha Delta Gamma, a national fraternity Art Directors Guild Australian Directors' Guild Autonomous Design Group, an anti-capitalist artist collective
People Amlan Das Gupta, Indian scholar Aubrey de Grey Aubrey Drake Graham
Places Adg, a village in Iran Lenawee County Airport in Adrian, State of Michigan, US (IATA airport code ADG)
Science, technology, and mathematics Active Data Guard Acyclic Directed Graph Advanced Data Guarding Air-driven generator Degaussing ship (US Navy hull classification symbol ADG)
Other uses Additional Director General of Police, senior police rank in India Aerospace, Defense & Government Andegerebinha dialect, an Aboriginal language of Australia (ISO 639-3 code)