Personal List of Kingdom Hearts worlds

Canon Worlds:

* Destiny Islands (original world)
* Traverse Town (original world)
* Wonderland (Alice in Wonderland)
* Olympus Coliseum (Hercules)
* Agrabah (Aladdin)
* Atlantica (The Little Mermaid)
* Hundred Acre Wood (Winnie the Pooh)
* Monstro (Pinocchio)
* Halloween Town (The Nightmare Before Christmas)
— Christmas Town
* Neverland (Peter Pan)
* End of the World (original world)

* Twilight Town (original world)
* Mysterious Tower
* Radiant Garden (original world)
— Hollow Bastion
* The Land of Dragons (Mulan)
* Beast's Castle (Beauty and the Beast)
* Port Royal (Pirates of the Caribbean)
* Disney Castle (Disney)
— Timeless River
— Disney Town
* Pride Lands (The Lion King)
* Space Paranoids (TRON)
* The World That Never Was (original world)

* Land of Departure -> Castle Oblivion (original world)
* Mirage Arena (original world)
* Castle of Dreams (Cinderella)
* Dwarf Woodlands (Snow White and the Seven Dwarfs)
* Enchanted Dominion (SleepingBeauty)
* Deep Space (Lilo & Stitch)
* Realm of Darkness (original world)
* Keyblade Graveyard (original world)

* La Cité des Cloches (The Hunchback of Notre Dame)
* The Grid (TRON: Legacy)
* Prankster's Paradise (Pinocchio)
* Country of the Musketeers (Mickey, Donald, Goofy: The Three Musketeers)
* Symphony of Sorcery (Fantasia)

* Daybreak Town (original world)

And Here's the fan list:

Those that Mrfipp suggests:

* Kingdom of the Sun (The Emperor's New Groove)
* Ant Island (A Bug's Life)
* Oakey Oaks (Chicken Little)
* Camelot (The Sword in the Stone)
* Atlantis (Atlantis: The Lost Empire)
* Great Forest (Bambi)
* Treasure Planet (Treasure Planet)
* Ohana (Lilo and Stitch)
* Oddworld (Oddworld series)
* Monstropolis (Monsters Inc.)
* Big Top (Dumbo)
* Shadow Show (Something Wicked This Way Comes)

and here's the rest:

Anime:
* Tomoeda (Card Captor Sakura)
* Pokémon world (Pokémon)
* Five Realms (Petite Princess Yucie)
— Human World
— Spirit World
— Demon World
— Sky World
— Fairy World
— Magic World -abandoned-
* Konoha (Naruto)
* Karakura Town (Bleach)
— Hueco Mundo
— Soul Society
* Mermaid's Rainbow (Mermaid Melody Pichi Pichi Pitch)
* Furinkan (Ranma 1/2)
* Digital World (Digimon)
—  Hikarigaoka
* Station Square (Sonic X)
* Earthland (Fairy Tail)
—  Edolas
* Samurai Country (Gintama)
* Gold Crown Town (Princess Tutu)
* The Three Walls (Attack On Titan)
* Aincrad (Sword Art Online)
— Alfheim
— Gun Gale Earth
— Underworld
* Mid Childa (Magical Girl Lyrical Nanoha)
* ??? (Flame of Recca)
— Kurei's Mansion
— Urabutou Satsujin Stadium
— Forbidden Grounds
— Sodom
* Domino City (Yu-Gi-Oh!, Yu-Gi-Oh! 5D's)
— Duel Academy (Yu-Gi-Oh! GX)
— Duel Monster world
* Mahora Academy (Mahou Sensei Negima!)
* Sooga (Pucca)
* Halkagenia (The Familiar of Zero)
— Romalia
* Mitakihari City (Puella Magi Madoka Magica)
* Wonder Planet (Fushigiboshi no Futago Hime)
* Sweetland (Magical Play)
— Sea Heaven
* ??? (Soar High! Isami)

Cartoons:
* Valley of Peace (Kung Fu Panda)
* Swallow Falls (Cloudy with a Chance of Meatballs)
* Berk (Dragons: Riders of Berk)
* Savage Lands/The New World (Pocahontas)
* Valley of the Great Spirits (Brother Bear)
* The Village Upon a Star (Pinocchio)
* Third Street School (Recess)
* Land of the Twilight Bark (101 Dalmatians)
* Sherwood Forest (RobinHood)
* Fifth Avenue (Oliver & Company)
* Metroville (The Incredibles)
— Municiberg
* El Dorado (The Road to El Dorado)
* Prydain (The Black Cauldron)
* New Orleans (The Princess and the Frog)
* Radiator Springs (Cars)
* Land of the Future (Meet the Robinsons)
* The Scottish Highlands (Brave)
* The Axiom (WALL-E)
* Andy's Bedroom (Toy Story)
* Paradise Falls (Up)
* Townsville (Powerpuff Girls)
* Jump City (Teen Titans)
* Four Nations (Avatar: The Last Airbender)
— Republic City (The Legend of Korra)
* Bikini Bottom (SpongeBob SquarePants)
* Magix Dimension (Winx Club)
* Land of Ooo (Adventure Time)
— Land of Aaa
* Manhattan (The Spectacular Spider-Man)
* Cape Suzette (Talespin)
* Amity Park (Danny Phantom)
* Retroville (The Adventures of Jimmy Neutron)
* Belwood (Ben 10 series)
* Chalk Zone (ChalkZone)
* Manhattan (Gargoyles)
— Avalon
* City of Hector (Osmosis Jones)
* Equestria (My Little Pony: Friendship is Magic)
— Canterlot High (My Little Pony Equestria Girls)
* Peach Creek (Ed, Edd n' Eddy)
* Tri-State Area (Phineas and Ferb)
— Danville
* Dimmsdale (The Fairly OddParents)
— Fairy World
* Tremorton (My Life as a Teenage Robot)
* Cat Mansion (Catscratch)
* Miracle City (El Tigre: The Adventures of Manny Rivera)
* Home of Imaginary Friends (Foster's Home for Imaginary Friends)
* World of Kids (Codename: Kids Next Door)
* Nowhere (Courage the Cowardly Dog)
* St. Canard (Darkwing Duck)
* Springfield (The Simpsons)
* Middleton (Kim Possible)
* Rainbow Land (Rainbow Brite)
* Eternia (He-Man and the Masters of the Universe)
— Etheria (She-Ra: Princess of Power)
* Strawberryland (Strawberry Shortcake)
* Land Of Dreams (The Dreamstone)
— Land of Nightmares
* Pixie Hollow (Disney Fairies)
* Smurf Village (The Smurfs)
* Dragon Land (Dragon Tales)
* Elwood City (Arthur)
* Third Earth (ThunderCats)
— Thundera
* Happy Tree Land (Happy Tree Friends)
* Andalasia (Enchanted)
* Corona (Tangled)
— Arendelle (Frozen)
* Bedrock (The Flintstones)
— ??? (The Jetsons)
* Enchancia (Sofia the First)
* Coolsville (Scooby Doo)
* Slugterra
* Hyboria (Conan The Adventurer)
* ??? (Thundarr the Barbarian)
* Downtown City (Littlest Pet Shop)
* Pixieville (Pop Pixie)
* South Park
* GoGoRiki (Smeshariki)

Comics:
* Gemworld (Amethyst, Princess of Gemworld)
* Earth-1 (DC Comics)
— The Speed Force (The Flash)
— Earth-31 (Frank Miller's DC Comics)
* Earth-616 (Marvel Comics)
— Earth-1610 (Ultimate Marvel series)
— Asgard (''TheMightyThor'')
— Earth-2149 (Marvel Zombies)
* Aniverse (BuckyOHareAndTheToadWars)
* ??? (Garfield)

Films:
* the Galaxy (Star Wars)
* Pandora (Avatar)
* Waterworld (Waterworld)
* Demented World (Demented Cartoon Movie)
* Great Valley (The Land Before Time series)
* Thra (The Dark Crystal)
* Earth-199999 (Marvel Cinematic Universe)
* Jurassic Park (Jurassic Park)
* ??? (The Mummy Trilogy)
— Hamunaptra
— Fort Brydon
— Ahm Shere
— Shangri-la
* The Idiocracy (Idiocracy)
* Camp Crystal Lake (Friday the 13th)
* Gotham City-N (The Dark Knight Saga))
* Monster Island (Godzilla)
* Litwak's Family Fun Center (Wreck-It Ralph)
— Fix-It Felix Jr.
— Sugar Rush
— Hero's Duty

Games:
* Blue Planet (Final Fantasy IV)
* Planet R (Final Fantasy V)
* World of Balance (Final Fantasy VI)
— World of Ruin
* The Planet (Final Fantasy VII)
* World of Hyne (Final Fantasy VIII)
* Gaia/Terra (Final Fantasy IX)
* Spira (Final Fantasy X)
* Vana'diel (Final Fantasy XI)
* Ivalice (Final Fantasy Tactics, XII, Advance, R2)
* Gran Pulse/Cocoon (Final Fantasy XIII, XIII-2)
* Valhalla (Final Fantasy XIII-2)
* Oriense (Final Fantasy Type-0)
* Hydaelyn (Final Fantasy XIV)
* Riviera (Riviera: The Promised Land)
* Bandicoot Island (Crash Bandicoot)
* Mushroom Kingdom (Super Mario)
* Hyrule (Legend of Zelda)
* Mobius (Sonic the Hedgehog)
* ??? (Fire Emblem)
— Akaneia continent
— Jugdral continent
— Elibe continent
— Magvel continent
— Tellius continent
* San Miguel (Boktai)
* Weyard (Golden Sun)
* Lunar (Lunar series)
— Blue Star
* Beetle Forest (Mushiking)
* Azeroth (Warcraft)
— (Defense of the Ancients)
* Arcanus Cella (ClaDun)
* Koprulu Sector (Starcraft)
* Fort Wastelands (Team Fortress 2)
— Mann's Land
* Apocalyptic Ruins (Left 4 Dead)
* Lylat System (Star Fox)
— Corneria
— Sauria
* Shadow Moses (Metal Gear Solid)
* Simsworld (The Sims)
* War Fields (Metal Slug)
* Avalar (Spyro the Dragon)
* The Inventory (Poker Night at the Inventory)
* Baten Kaitos (Baten Kaitos)
* Symphonia (Tales of Symphonia)
* Aperture Science (Portal series)
* ??? (Mass Effect)
* Nirn (The Elder Scrolls)
* Inamorta (Stick War)
* Shibuya (The World Ends With You)
* Pensee (Recettear: An Item Shop's Tale}
* Dreamland (Kirby)
* Worlds of the D'ni (Myst)
— Releeshahn
— Myst
* Spore Galaxy (Spore)
* The EMBO "Afterlife" (LucasArts' Afterlife)
* ??? (Command & Conquer series)
* ??? (Chzo Mythos)
— DeFoe Manor
— Mephistopheles
— Clanbrownyn Hotel
— Optimology Hub
— Body of Chzo
* ??? (Grand Theft Auto series)
— Liberty City
— Vice City
— San Andreas
* ??? (Manhunt)
— Carcer City
— Cottonmouth
* Bullworth (Bully)
* Canopy Kingdom (Skullgirls)
* Pandora (Borderlands)
* Gentlehaven (Disney Princess: Enchanted Journey)
* Raccoon City (Resident Evil)
* Slingshot Hill (Angry Birds)
* Sera (Gears of War)
* Gensokyo (Touhou)
* ??? (Plants vs. Zombies)
* Green Planet (Mini Robot Wars)
— Blue Planet -abandoned-
* Paragon City (City of Heroes/Villains)
* ??? (Halo)
— New Mombasa
* D.C.M.F.P.R. Research Facility (Iji)
* Fairport (First Encounter Assault Recon)
* Empire City (Infamous)
* Gotham City-A (Batman Arkham series)
— Arkham Asylum
— Arkham City
* ??? (Crysis)
— Lingshan Island
* Stilwater (Saints Row)
* Killbragant (Elvira: Mistress of the Dark)
* Runeterra (League of Legends)
* Outworld (Mortal Kombat)
— Earthrealm
* ??? (Persona4)
— The Midnight Channel
* The Nameless, Everted World (Eversion)
* Animal Crossing
* Wumpa Islands (Crash Bandicoot)
* Silent Hill
* Donkey Kong Island
* Creation (Exalted)
* ??? (DOOM)
* The Insaniquarium
* Thieves' Haven (Sly Cooper)

Literature:
* Magical Britain (Harry Potter)
* Narnia (The Chronicles of Narnia)
* Discworld (Discworld series)
* Arda (Tolkien's Legendarium)
— Middle-earth (Lord of the Rings, The Hobbit, The Silmarillion)
* Whoville (The Grinch)
* Cherry Tree Lane (Mary Poppins)
* Xanth (Xanth)
* Terabithia (Bridge to Terabithia)
* Midkemia (The Riftwar Cycle)
* Dinotopia (Dinotopia)
* Tortall (Song of the Lioness, Immortals, Protector of the Small, Daughter of the Lioness)
* ??? (His Dark Materials)
— Northern Lights (Lyra Belacqua's world)
— Mulefa World
— Cittàgazze
— The Land of the Dead
— Gallivespian World
— Republic of Heaven
* Pern (Dragonriders of Pern)
* Earthsea (The World Of Unbinding)
* Krynn (Dragonlance)
* Gor (World of Gor)
* The Ever After (May Bird series)
— Briery Swamp
* The Culture (The Culture)
* Colson, California (The Candy Shop War)
* Arrakis (Dune)
* R'lyeh (Cthulhu Mythos)
* Nonestica (Land of Oz)

Tabletops:
* 40K Galaxy (Warhammer 40000)
— Kaurava System (Dawn Of War)
— Calixis Sector
— Forge World Graia
* ??? (Dungeons & Dragons)
— Abeir-Toril (Forgotten Realms)
— Khorvaire (Dragonlance)
— Free City of Greyhawk
— Known World (Mystara)
—— Hollow World
— Sigil, the City of Doors (Planescape)
* ??? (WarhammerFantasy)

Television:
* Ventara (Kamen Rider Ryuki/Dragon Knight)
* ??? (Power Rangers)
— Angel Grove (Mighty Morphin' to In Space)
— Terra Venture (Lost Galaxy)
— Mariner Bay (Lightspeed Rescue)
— Silver Hills (Time Force)
— Turtle Cove (Wild Force)
— Blue Bay Harbor (Ninja Storm)
— Reefside (Dino Thunder)
— Newtech City (SPD)
— Briarwood (Mystic Force)
— San Angeles (Operation Overdrive)
— Ocean Bluff (Jungle Fury)
— Corrinth (RPM)
— Panorama City (Samurai)
— Harwood County (Megaforce)
* Chance Harbor (The Secret Circle)
* Mystic Falls (The Vampire Diaries)
— New Orleans (The Originals)
* Sunnydale (Buffy the Vampire Slayer)
— Pylea
— Quor-toth
* ??? (Star Trek)
— USS Enterprise NCC-1701
* ??? (Heroes)
* Gilligan's Island

Toys:
* Metru Nui (BIONICLE series)
— Mata Nui
— Voya Nui
— Bara Magna
— Spherus Magna
* Ponyland (My Little Pony And Friends, Tales)
— Dream Valley (G1)
— Friendship Gardens (G2)
— Ponyville (G3)
* Heartlake City (''LEGOFriends'')

Web:
* Neopia (Neopets)
* Blood Gulch (Red vs. Blue)
— Valhalla
— Sidewinder
— Battle Creek
— Zanzibar
— Rat's Nest
— High Ground
— Valhalla
— Chorus
* Acapulco (Bob and George)
* Megasville (Powerpuff Girls Doujinshi)
* DevianTROPOLIS (deviantART)
* Free Country USA (Homestar Runner)
* Remnant (RWBY)
* SCP Foundation
* Above-top-secret Base (abovetopsecret.com)