ADQ is a Three-letter acronym that may refer to:
- Abductor digiti minimi muscle (foot) (Abductor digiti quinti muscles)
- Action démocratique du Québec, political party in Quebec, Canada
- Active Drop Queue
- Aeronautical Data Quality
- Association des démographes du Québec
- Association des denturologistes du Québec
- Association des dermatologistes du Québec
- Association diabète Québec
- ATA Drive Query
- Average Daily Quantity, similar to Defined Daily Dose
- Average Delay in Queue (see Queuing delay)
- Kodiak Airport, Kodiak, Alaska, USA