Black Duck
- African black duck
- American black duck
- Black Duck (group)
- Black Duck Creek (Manitoba)
- Black Duck Creek (Ontario)
- Black Duck Creek, Queensland
- Black Duck Joint Venture
- Black Duck Software
- Black Duck, Newfoundland and Labrador
- Black sea duck
- Black swan
- Blackduck Lake
- Blackduck River
- Blackduck State Forest
- Blackduck, Minnesota
- Pacific black duck
- Swan Districts Football Club