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60 Dungeon Name Ideas by Theme

Sometimes you do not need a formula — you need a list. Below are seventy-six dungeon names organized by theme. Steal them freely for your campaign, one-shot, novel, or game.

A note on using lists like this: do not just pick the coolest-sounding name and move on. Read a whole theme section slowly and notice which names make you ask questions. "The Drowned Archive" makes you wonder what was worth archiving underwater — and that wondering is the beginning of a dungeon design. The names that spark curiosity are the ones worth keeping, even if you never use them exactly as written.

Classic fantasy

These fit almost any setting, from high-magic kingdoms to gritty borderlands:

  • Blackstone Vault
  • The Hollow Depths
  • Ironroot Catacombs
  • The Broken Delve
  • Ashfall Crypt
  • The Sunken Hold
  • Grimspire Depths
  • The Old Underhall
  • Whispering Grotto
  • The Forgotten Warrens
  • Stoneveil Dungeon
  • The Deep Cistern

Dark and horror

For undead crypts, cult lairs, and places the villagers warn you about:

  • The Weeping Sepulcher
  • Moldering Ossuary of Worms
  • The Pale Chasm
  • Dreadfall Depths
  • The Silent Underkeep
  • Nightfang Den
  • The Blood Cistern
  • Haunt of the Forsaken
  • The Gloom Warren
  • Ebon Tomb of the Sleeper
  • The Rusted Oubliette
  • Sorrow's Hollow

Ancient ruins

For dungeons whose builders are long gone — and whose purposes are half-remembered:

  • The Obsidian Vault of the Nameless
  • Ruins of the Sunken Citadel
  • The Marble Sepulcher of Lost Souls
  • Copper Halls of the Broken Oath
  • The Buried Ziggurat
  • Sandstone Tombs of the Ancients
  • The Drowned Archive
  • Crystal Caverns of Echoes
  • The Basalt Throne-Room
  • Granite Warrens of the Deep

Dragon lairs and epic delves

For the dungeons the whole campaign builds toward:

  • The Ember Vault of the Wyrm
  • Stormcrown Depths
  • The Gilded Lair
  • Cinderhold of the Red Terror
  • The Scaled Sanctum
  • Thunderspire Warren
  • The Hoard-Vault
  • Ashen Throat of the Mountain
  • The Wyrmrest Sepulcher
  • Drakefall Chasm

Sunken and watery

For flooded crypts, drowned temples, and coastal smuggler warrens:

  • The Drowned Cistern
  • Brinevault Depths
  • The Sunken Chapel
  • Tideworn Grotto
  • The Flooded Ossuary
  • Saltmire Warren
  • The Weeping Cistern
  • Drowned Halls of the Pale Queen

Wizard towers and arcane vaults

For the dungeons built by spellcasters — laboratories, sealed libraries, and places where the architecture itself is a spell:

  • The Crystal Spire of Echoes
  • Arcanum Vault of the Veiled Matron
  • The Sigil-Bound Sanctum
  • Spellscarred Halls
  • The Onyx Observatory
  • Glyphward Warren
  • The Starless Library
  • Runecarved Depths

Bandit dens and smuggler warrens

Not every dungeon is ancient. Sometimes it is just where the criminals live — and those names should sound lived-in, not legendary:

  • The Rusted Cellar
  • Knifepoint Warren
  • The Smuggler's Cistern
  • Broken Lantern Hideout
  • The Tollgate Tunnels
  • Ratway Warren
  • The Drowned Dock Vault
  • Copperkey Hideout

Making a list your own

A borrowed name becomes yours the moment you attach one specific detail: the *Ashfall Crypt* where the ash never settles, the *Whispering Grotto* whose whispers name the listener's fears. Pick a name from the list, add one sentence of truth, and no two DMs' versions will ever match.

Three quick techniques turn any list name into an original:

  • Change one word. "The Sunken Hold" becomes "The Sunken Choir" — suddenly it is not a fortress, it is something stranger.
  • Combine two names. "Grimspire" plus "the Drowned Archive" gives you a tower with a flooded library at its base — a dungeon with vertical variety built in.
  • Add the reason. Every evocative name implies a story; write the one sentence that explains it. "The Copper Vault of the Veiled Matron" exists because the Matron taxed her city in copper and hid the treasury from her own heirs. Now you have a dungeon and a plot hook.

Keep a document of renamed, remixed list entries. After a few months it becomes a personal atlas — dozens of named locations with one-line truths attached, ready to drop into any campaign the moment the party goes somewhere unexpected.