Dumas, Texas
Dumb and Dumber
Dumbarton Bridge (California)
Dumbbell Indemnity
Dumbing down
Dumble Amplifiers
Dumbo (air-sea rescue)
Dumbo, Brooklyn
Dumfries
Dumfries and Galloway Constabulary
Dumfries Burghs (UK Parliament constituency)
Dumfriesshire
Dumitru Staniloae
Dummy Hoy
DuMont Building
DuMont Television Network
Dumped
Dumping (pricing policy)