D
- Dairy Farming
- Daisy Ridley
- Dakota Johnson
- Dallas Cowboys
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- Dancing with the Stars
- Daniel Craig
- Dating
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- David Muir
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- Dawn
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- Deb Fischer
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- Deep Dish Pizza
- Deezer
- Delaware
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- Denmark
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- Depression
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- Dianne Feinstein
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- Die Hard
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- Dinesh D'Souza
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- Discovery Channel
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- DNA
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- Documentaries and Documentary-making
- Dog breeding
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- Domestic relations
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- Dominican Republic
- Don Lemon
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- DoorDash
- Dota 2
- Dove (chocolate)
- Dr. Seuss
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- Drug Abuse
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- Dune: Part Two (2024)
- Dungeons & Dragons
- Dunkin'
- DVD/Movie Collecting
- Dwight D. Eisenhower
- Dysfunctional relationships
- The Daily Show / YouGov