ADQ may refer to:
- Abductor digiti quinti (disambiguation), a muscle on the outer border of foot or hand
- Action démocratique du Québec, defunct political party in Quebec, Canada
- Agotime language, a Kwa language of Ghana
- American Dairy Queen Corporation, American franchiser of Dairy Queen restaurants
- Average daily quantity, a measure of drug consumption, similar to 'defined daily dose'
- Kodiak Airport, Kodiak, Alaska, United States
- Abu Dhabi Developmental Holding Company (branded as ADQ), a sovereign wealth fund in Abu Dhabi