D
- Diamond Shreddies – General Mills/Cereal Partners
- Dinersaurs – Ralston (1988-1989)
- Dinky Donuts – Ralston (1980s)
- Donkey Kong Crunch – Ralston (1982–1983)
- Donkey Kong Jr. Cereal – Ralston (1983–1984)
- Double Chocolate Cookie Crisp – General Mills (2006 – present)
- Double Dip Crunch – Kellogg's (Late 1980s - 1993)
- Dudley Do-Right – General Mills
- Dunkin' Donuts Cereal – Ralston (Late 1980s)
- Dyno-Bites – Malt-O-Meal
- Crunchy Nut-
Read more about this topic: List Of Breakfast Cereals