- Dragons of Gossamer Wings
- Dragons of Rust
- Drakon
- Dreadnought and Juggernaut
- Driving for the Boots
- Duke Alarice
- Dungeon Keeper
- Dungeon creature dwellings
- Dungeons and Devils
- Dwarf and Battle Dwarf
- Dwarven Gold
- Dwarven Treasury
- Dwarven Tunnels
- Dwarven Tunnels (Allies)
- Earth Elemental Conflux
- Earth Elemental and Magma Elemental
- Earthquake
- Editor guidelines
- Efreeti and Efreet Sultan
- Elbow Room
- Elbow Room (Allies)
- Elemental Conflux
- Elemental Lords
- Elixir of Life
- Elixir of Life (campaign)
- Elleshar
- Elmore
- Emblem of Cognizance
- Emerald Isles
- Emerald Isles (Allies)
- Enchanter
- Enchanter's Hollow
- Endless Bag of Gold
- Endless Purse of Gold
- Endless Sack of Gold
- Eovacius
- Equestrian's Gloves
- Era II + WoG
- Erdamon
- Escape Tunnel
- Ethric
- Everflowing Crystal Cloak
- Everpouring Vial of Mercury
- Eversmoking Ring of Sulfur
- Expansions
- Experimental Shop
- External dwellings table (HotA)
- Eye of the Magi
- Face To Face
- Faerie Dragon
- Faerie Dragons
- Faerie Ring
- Faeries!
- Fafner
- Fair Feather
- Fall of Sandro
- Falor and Terwen
- Fangarm
- Farming Towns
- Faruk Welnin
- Fear (spell)
- Festival of Life
- Fiery Moon
- Fight Value
- Final Peace
- Finneas
- Finneas Vilmar
- Fiona
- Fire Elemental Conflux
- Fire Elemental and Energy Elemental
- Fire Shield
- Fire Wall
- Fireball
- Fireball attack
- Firebird and Phoenix
- Fiur
- Flag
- Flotsam
- Flying
- Foolhardy Waywardness
- For King and Country
- For Sale
- For the Throne
- Force Field
- Forest Guard
- Forge
- Forgetfulness
- Fort Noxis
- Fortress creature dwellings
- Fortune
- Fortune Favors Fools
- Fountain of Fortune
- Fountain of Fortune (adventure map)
- Frederick
- Free for All
- Freedom
- Freelancer's Guild
- Frenzy
- From Day to Night
- From the Depths of Hell
- Frost Ring
- Frozen Cliffs
- Gaia's Crest
- Galthran
- Gambit
- Garbage
- Garden of Life
- Garniture of Interference
- Garrison
- Gathering the Legion
- Gavin Magnus
- Gazebo
- Gelare
- Gelea's Champions
- Gelea's Champions (Allies)
- Gelu
- Gem
- Gem (Sorceress)
- General Kendal
- Genie and Master Genie
- Geon
- Gerwulf
- Giant and Titan
- Gird
- Giselle
- Glorious Days
- Glyph of Gallantry
- Glyphs of Fear
- Gnoll and Gnoll Marauder
- Goblin and Hobgoblin
- Goblins in the Pantry
- Gog and Magog
- Gold Golem
- Gold Rush
- Gold Rush (Map)
- Golden Bow
- Golden Goose
- Golem Factory
- Golems Aplenty
- Golems Aplenty (Allies)
- Good Witch, Bad Witch
- Good to Go
- Gorgon and Mighty Gorgon
- Gorlam's Tentacle Swampland
- Graduation Exercise
- Grave Robber
- Greater Gnoll's Flail
- Greed
- Green Dragon and Gold Dragon
- Gremlin and Master Gremlin
- Gretchin
- Griffin Cliff
- Griffin Cliff (Region)
- Griffin Conservatory
- Grindan
- Grotto
- Groundbreaking
- Gryphonheart
- Guardian Angels
- Gundula
- Gunnar
- Gunslinger and Bounty Hunter
- Gurnisson
- Hack and Slash
- Halfling and Halfling Grenadier
- Hall of Valhalla
- Halon
- Hand-to-hand
- Hard Place
- Harpy and Harpy Hag
- Hartferd
- Harvest
- Haste
- Haste specialty
- Haste specialty/Hstr
- Hatchet, Axe and Saw
- Hate
- Head of Legion
- Heatstroke
- Hell Hound and Cerberus
- Hellstorm Helmet
- Helm of Chaos
- Helm of Heavenly Enlightenment
- Helm of the Alabaster Unicorn
- Here There Be Pirates
- Hermit's Shack
- Hero
- Hero biographies
- Hero portraits
- Hero specialty/HeroSpec
- Heroes 3 HD
- Heroes Chronicles
- Heroes Chronicles/Hc1Prev
- Heroes Chronicles/Hc2Prev
- Heroes Chronicles/Hc3Prev
- Heroes Chronicles/Hc4Prev
- Heroes Chronicles/Localizations
- Heroes Chronicles/advevent
- Heroes of Might, Not Magic
- Heroes of Might, Not Magic (Allies)
- Hideous Mask
- Hindering spells
- Hoard
- Hoard (Allies)
- Holding the Middle
- Hole
- Homecoming
- Hopewielder
- Horn of the Abyss (Changelog)
- Horn of the Abyss (Documentation)
- Horn of the Abyss (artifact)
- Horn of the Abyss (campaign)
- Hourglass of the Evil Hour
- Hovel
- Hurry Up and Wait
- Hut of the Magi
- Hydra and Chaos Hydra
- Hypnotize
- Ice Bolt
- Ignatius
- Ignissa
- Illor
- Imbalance
- Imp Cache
- Imp and Familiar
- Implosion
- In Defense
- Independence
- Inexhaustible Cart of Lumber
- Inexhaustible Cart of Ore
- Inferno (spell)
- Inferno creature dwellings
- Ingham
- Inteus
- Invasion
- Iona
- Ironfist of the Ogre
- Irrational Hostility
- Island King
- Island King (Allies)
- Island of Dust
- Island of Fire
- Islands and Caves
- Isra
- Ivor
- Ivory Tower
- Jabarkas
- Jaegar
- Jangaard
- Jarg the Conqueror
- Jeddite
- Jenova
- Jeremy
- Jetsam
- Jihad
- Jinara
- Jorm
- Jorm's Ambush
- Josephine
- Judgement Day
- Junkman
- Just A Visit
- Kalt
- Kastore
- Key to Victory
- Keymaster's Tent
- Kija
- Kilgor
- King Gryphonheart
- King Nicolas Gryphonheart
- King Targor
- King Tralossk
- King of Pain
- King of the Hill
- Kingdom for Sale
- Kingdom for Sale (Allies)
- Kinkeria
- Knee Deep in the Dead
- Knight of Darkness
- Korbac
- Kreegan Alliance
- Kreelah
- Krellion
- Krewlod
- Kurl
- Kyrre
- Labetha
- Lacus
- Ladybird of Luck
- Land of Titans
- Land of Titans (Allies)
- Larn
- Last Chance
- Last Chance (Allies)
- Lean To
- Learning Stone
- Leena
- Legs of Legion
- Leprechaun
- Liberation
- Lich and Power Lich
- Lightning Bolt
- Links
- Lion's Shield of Courage
- List of adventure map objects
- List of adventure map objects (HotA)
- List of all town names
- List of artifacts (HotA)
- List of campaign heroes
- List of creatures
- List of creatures (HotA)
- List of hero specialties
- List of hero specialties (HotA)
- List of heroes (HotA)
- List of maps
- List of maps (HotA)
- List of mass spells
- List of resource producing heroes
- List of spells (HotA)
- Lizardman and Lizard Warrior
- Localizations
- Loins of Legion
- Long Live the King
- Long Live the Queen
- Lord Alarice
- Lord Falorel
- Lord Fayette
- Lord Haart the Death Knight
- Lord Onsten
- Lord Smedth
- Lorelei
- Loss of Innocence
- Loss of Innocence (Allies)
- Lost at Sea
- Loynis
- Lucifer
- Luna
- Mad King Gryphonheart
- Maelstrom (Map)
- Mage and Arch Mage
- Magic Arrow
- Magic Forest
- Magic Mirror
- Magic Spring
- Magic University