DY
| Acronym | Definition |
|---|---|
| DY | Day |
| DY | Norwegian Air Shuttle (airline code) |
| DY | Directory |
| DY | Duty |
| DY | Do You... |
| DY | Daddy Yankee (reggaeton musician) |
| DY | Derry (Ireland) |
| DY | Dysprosium |
| DY | Dudley (postcode, United Kingdom) |
| DY | Dividend Yield |
| DY | Died Young (genealogy) |
| DY | Design Year |
| DY | Drell-Yan |
| DY | Dynamotor |
| DY | Air Djibouti (airline code) |
| DY | Deliciouslyorkshire (UK food industry award) |