Ducky may refer to:
- Ducky Detweiler, (born 1919), American baseball third baseman
- Dale Hawerchuk (born 1963, nicknamed "Ducky"), retired Canadian professional ice hockey centre
- Ducky Holmes (1869-1932), American baseball outfielder
- Ducky Holmes (catcher), (1883-1945), American baseball catcher
- Ducky Schofield, (born 1935), American baseball infielder
- Ducky Mallard, fictional medical examiner from the TV series NCIS
- Ján Ducký, murdered Slovak politician and oligarch
- Ducky (The Land Before Time), fictional Saurolophus from The Land Before Time
- Rubber ducky, a toy shaped like a stylised duck