What are the different kinds of cereal?

Answer 1

Cereals as in grains are:

• Barley
• Bulgur wheat
• Corn (maize)
• Durum wheat
• Fonio
• Kamut
• Millet
• Oats
• Popcorn
• Rice
• Rye
• Semolina wheat
• Sorghum
• Spelt
• Teff
• Triticale
• Wheat
• Wild rice

Breakfast Cereals:

• Addams Family Cereal
• All-Bran
• Almond Delight
• Alpha-Bits
• Apple Cinnamon Cheerios
• Apple Jacks
• Apple Raisin Crisp
• Apple Zingaroos
• Apple Zings
• Balance
• Banana Nut Cheerios
• Banana Nut Crunch
• Banana Nut Granola Cereal
• Basic 4
• Bear Naked
• Berry Basic
• Berry Berry Kix
• Berry Berry Kix
• Berry Berry Nice
• Berry Burst Cheerios
• Berry Burst Cheerios - Strawberry
• Berry Burst Cheerios - Triple Berry
• Blueberry Morning
• Blueberry Muffin Tops
• Boo Berry
• Boo-Berry
• Bran & Apricot
• Bran Flakes
• Cap'n Crunch
• Cap'n Crunch Choco Crunch
• Cap'n Crunch Crunch Berries
• Cap'n Crunch Peanut Butter Crunch
• Caramel Crunchfuls
• Ceccettio's
• Cheerios
• Chocapic
• Choco Crunch
• Chocolate Cheerios
• Chocolate Chex
• Chocolate Crunchfuls
• Chocolate Flakes
• Chocolate Lucky Charms
• Chocos
• Christmas Crunch
• Cinnamon Burst Cheerios
• Cinnamon Chex
• Cinnamon Crunch
• Cinnamon Grahams
• Cinnamon Life
• Cinnamon Toast Crunch
• Cinnamon Toasters
• Circus Fun
• Clackers
• Clusters
• Coco Pops
• Coco Roos
• CoCo Wheats
• Cocoa Hoots
• Cocoa Krispies
• Cocoa Pebbles
• Cocoa Puffs
• Colossal Crunch
• Comet Balls
• Complete
• Concentrate
• Cookie Crisp
• Corn Bran
• Corn Bran Squares
• Corn Bursts
• Corn Chex
• Corn Flakes
• Corn Pops (Originally known as Sugar Pops)
• Corn Soya
• Count Chocula
• Count Chocula
• Cracker Jack Cereal
• Cranberry Almond Crunch
• Cranberry Wheats
• Crazy Flakes
• Cream of Wheat
• Crispix
• Crispy Rice
• Crunch Berries
• Crunchy Bran
• Crunchy Corn Bran
• Crunchy Nut
• Crunchy Nut Cornflakes
• Diamond Shreddies
• Double Chocolate Cookie Crisp
• Dudley Do-Right
• Dyno-Bites
• Eggo
• Fiber One
• Flutie Flakes
• Franken Berry
• Freakies
• Froot Loops
• Frosted Cheerios
• Frosted Flakes
• Frosted Krispies
• Frosted Mini Spooners
• Frosted Mini-Wheats
• Frosted Shredded Wheat
• Frosties
• Frosty O's
• Fruit 'n Fibre
• Fruit & Nut Granola Cereal
• Fruit Harvest
• Fruit Loops
• Fruity Cheerios
• Fruity Dyno-bites
• Fruity Pebbles
• Go Lean Cereal
• Golden Crisp (Sugar Crisp)
• Golden Grahams
• Golden Nuggets
• Golden Puffs
• Good Friends Cereal
• Gorilla Munch
• Granula
• Grape Nut Flakes
• Grape-Nuts
• Guardian Cinnamon with a hint of vanilla flavour
• Guardian Original with a hint of maple flavour
• Heart to Heart, Blueberry Oat Cluster Crunch
• Honey & Oat Blenders
• Honey Bunches of Oats
• Honey Bunches of Oats with Almonds
• Honey Bunches of Oats with Chocolate Clusters
• Honey Bunches of Oats with Cinnamon Clusters
• Honey Bunches of Oats with Peaches
• Honey Bunches of Oats with Strawberries
• Honey Bunches of Oats with Vanilla Clusters
• Honey Bunny
• Honey Buzzers
• Honey Cups
• Honey Graham Life
• Honey Graham Oh's
• Honey Graham Squares
• Honey Kix
• Honey Nut Cheerios
• Honey Nut Chex
• Honey Nut Clusters
• Honey Nut Corn Flakes
• Honey Nut Shredded Wheat
• Honey Nut Toasty O's
• Honey Rice Krispies
• Honey Smacks - Kellogg's
• Honey Smacks (originally "Sugar Smacks")
• Honey-ful Wheat
• Honeycomb
• Jumbo Krispies
• Just Right
• Kaboom!
• King Vitaman
• Kix
• Koko Krunch
• Life
• Low Fat Granola Cereal
• Lucky Charms - General Mills
• Mallow Oats
• Maple & Brown Sugar Mini Spooners
• Marshmallow Alpha-Bits
• Marshmallow Mateys
• Maximize
• Maypo
• Mini-Wheats
• Most
• Mueslix
• Muffets
• Multi-Bran Chex
• MultiGrain Cheerios
• Nestlé NesQuik
• Nut 'n Honey
• Nutri-Grain
• Oat Bran Squares
• Oat Cluster Cheerios Crunch
• Oat Crisp
• Oatibix - Weetabix Limited (2006-Present)
• Oatmeal Crisp
• Oatmeal Squares
• Oops All Berries
• Optima Fruit & Fibre
• Optivita
• Organic Wild Puffs
• Peanut Butter Crunch
• Pebbles Cereal
• Pep
• Product 19
• Pronutro, Bokomo
• Puff
• Puffed Rice
• Puffed Wheat
• Puffkins
• Quaker 100% Natural Granola
• Quaker Oatmeal Squares
• Quaker Oh's
• Quisp
• Raisin Bran
• Raisin Bran Crunch
• Raisin Nut Bran
• Raisin Squares
• Raisin Wheats
• Ready Brek
• Reese's Puffs
• Rice Bubbles
• Rice Chex
• Rice Honeys
• Rice Krispies
• Rice Krispies Treats Cereal
• Rice Krispies with Vanilla Flavour
• Richard Petty 43's
• Shredded Wheat
• Shreddies
• Shrek's (NOT Donkey's)
• Smart Bran
• Smart Start
• Smorz
• Snow Flakes
• Special K
• Special K Blueberry
• Special K Chocolatey Delight
• Special K Cinnamon Pecan
• Special K Fruit and Yogurt
• Special K Protein Plus
• Special K Red Berries
• Special K Vanilla Almond
• Start
• Strawberry Blasted Honeycomb
• Strawberry Chex
• Sugar Crisp
• Sugar Puffs
• Sultana Bran
• Superman Stars
• Sweetened Wheat-fuls
• Team Flakes
• Toasted Cinnamon Squares
• Toasted Wheat-fuls
• Toasties
• Tony's Turboz
• Total
• Total Cinnamon Crunch
• Total Cranberry Crunch
• Total Honey Clusters
• Total Raisin Bran
• Triples
• Trix
• Ultima Organic Cereals
• Uncle Sam Cereal
• Vector
• Vive
• Waffle Crisp
• Weet-Bix
• Weetabix
• Weetabix Minis
• Weetos
• Wheat Chex
• Wheat Honeys
• Wheatena
• Wheaties
• Yog-Active
• Yogurt Burst Cheerios - Strawberry
• Yogurt Burst Cheerios - Vanilla

Answer 2

wheat

barley

oats

rye

If you mean breakfast cereals, there are many brands, based on the above cereal plants and also maize.