D&D 5E Monsters

D&D Monster Lists (on the Wizards of the Coast D&D site) indexes all monsters that appear in the Monster Manual, Volo's Guide to Monsters, and Modernkainen's Book of Foes. 

New monsters can be found in the following sources (limited to sources I own, and omitting creatures reprinted from the MM or Volo's). Unique NPCs are marked with asterisks (*).

Curse of Strahd

• • Animated Objects

    • Baba Lysaga's Creeping Hut (CR 11)

    • Broom of Animated Attack (CR 1/4)

    • Guardian Portrait (CR 1)

    • Strahd's Animated Armor (CR 6)

  • Baba Lysaga* (CR 11)

  • Barovian Witch (CR 1/2)

  • Blight, Tree (CR 7)

  • Ezmerelda D'Avenir* (CR 8)

  • Izek Strazni* (CR 5)

  • Madam Eva* (CR 10)

  • Mongrelfolk (CR 1/4)

  • Phantom Warrior (CR 3)

  • Pidlwick II* (CR 1/4)

  • Rahadin* (CR 10)

  • Rictavio* (CR 5)

  • Strahd von Zarovich* (CR 15)

  • Strahd Zombie (CR 1)

  • Wereraven (CR 2)

Demonomicon of Iggwilv

• Belaphoss* (CR 20)

Ghosts of Saltmarsh [WIP]

• Amphisbaena

• Assassin Vine [from Tomb of Annihilation]

• Bullywug Croaker

• Bullywug Royal

• Drowned Ascetic

• Drowned Assassin

• Drowned Blade

• Drowned Master

• Fathomer [from Princes of the Apocalypse]

• Giant Coral Snake

• Giant Sea Eel

• Harpy Matriarch

• Juvenile Kraken

• Koalinth

• Koalinth Sergeant

• Kysh*

• Living Iron Statue

• Lizardfolk Commoner

• Lizardfolk Render

• Lizardfolk Scaleshield

• Lizardfolk Subchief

  • Locathah

  • Locathah Hunter

  • Maw of Sekolah

  • Merfolk Salvager

  • Minotaur Living Crystal Statue

  • Monstrous Peryton

  • Mr. Dory*

  • Oceanus (Sea Elf)*

  • Pirate Bosun

  • Pirate Captain

  • Pirate Deck Wizard

  • Pirate First Mate

  • Rip Tide Priest

  • Sahaugin Blademaster

  • Sahaugin Champion

  • Sahaugin Coral Smasher

  • Sahaugin Deep Diver

  • Sahaugin Hatchling Swarm

  • Sahaugin High Priestess

  • Sahaugin Wave Shaper

  • Sanbalet*

  • Sea Lion [from Tales from the Yawning Portal]

  • Shell Shark

  • Skeletal Alchemist

  • Skeletal Juggernaut

  • Skeletal Swarm

  • Skum

  • Thousand Teeth*

  • Vampiric Jade Statue

Mordenkainen's Book of Foes [WIP]

• Allip

• Astral Dreadnaught

• Belhannoth

• Berbalang

• Boneclaw

• Cadaver Collector

• Choker

• Clockworks

  • Bronze Scout

  • Iron Cobra

  • Oaken Belter

  • Stone Defender

• Corpse Flower

• Deathlock

  • Deathlock

  • Deathlock Mastermijnd

  • Deathlock Wight

• Demons: 

  • Alkalith

  • Armanite

  • Bulezau

  • Dybbuk

  • Maurezhi

  • Molydeus

  • Nabassu

  • Rutterkin

  • Sybriex

  • Wastrilith

• Demons, Demon Lords:

  • Baphomet

  • Demogorgon

  • Fraz-Urb'luu

  • Grazzt

  • Juiblex

  • Orcus

  • Yeenoghu

  • Zuggtmoy

• Derro

  • Derro

  • Derro Savant

• Devils

  • Abishai, Black

  • Abishai, Blue

  • Abishai, Green

  • Abishai, Red

  • Abishai, White

  • Amnizu

  • Hellfire Engine

  • Merregon

  • Narzugon

  • Nupperibo

  • Orthon

• Devils, Archdevils

  • Baal

  • Geryon

  • Hutijin

  • Moloch

  • Titivilus

  • Zariel

• Drow

  • Drow Arachnomancer

  • Drow Favored Consort

  • Drow House Captain

  • Drow Inquisitor

  • Drow Matron Mother

  • Drow Shadowblade

• Duergar

  • Duergar Despot

  • Duergar Hammerer

  • Duergar Kavalrachni

  • Duergar Mind Master

  • Duergar Screamer

  • Duergar Soulblade

  • Duergar Stone Guard

  • Duergar Warlord

  • Duergar Xarrorn

• Eidolon

  • Eidolon

  • Sacred Statue

• Eladrin

  • Autumn Eladrin

  • Spring Eladrin

  • Summer Eladrin

  • Winter Eladrin

• Elder Elementals

  • leviathan

  • Phoenix

  • Elder Tempest

  • Zaratan

• Elemental Myrmidons

  • • Air Elemental Myrmidon

  • Earth Elemental Myrmidon

  • Fire Elemental Myrmidon

  • Water Elemental Myrmidon

• Giff

• Gith

  • Githyanki Gish

  • Githyanki Kith'rak

  • Githyanki Supreme Commander

  • Githzerai Anarch

  • Githzerai Enlightened

• Gray Render

• Howler

• Kruthiks

  • Young Kruthik

    • Adult Kruthik

    • Kruthik Hive Lord

  • Marut

  • Meazel

  • Nagpa

  • Nightwalker

  • Oblex

    • Oblex Spawn

    • Adult Oblex

    • Elder Oblex

  • Ogres

    • Ogre Battering Ram

    • Ogre Bolt Launcher

    • Ogre Chain Brute

    • Ogre Howdah

  • Retriever

  • Salamander, Frost

  • Shadar-Kai

    • Gloom Weaver

    • Shadow Dancer

    • Soul Monger

  • Skulk

  • Skull Lord

  • Sorrowsworn

    • The Angry

    • The Hungry

    • The Lonely

    • The Lost

    • The Wretched

  • Star Spawn

    • Star Spawn Grue

    • Star Spawn Hulk

    • Star Spawn Larva Mage

    • Star Spawn Mangler

    • Star Spawn Seer

  • Steeder

    • Female Steeder

    • Male Steeder

  • Steel Predator

  • Stone Cursed

  • Sword Wraith

    • Sword Wraith Commander

    • Sword Wraith Warrior

  • Tortles

    • Tortle

    • Tortle Druid

  • Trolls

    • Dire Troll

    • Rot Troll

    • Spirit Troll

    • Venom Troll

  • Vampire Mist

  • Yugoloths

    • Canoloth

    • Dhergoloth

    • Hydroloth

    • Merrenoloth

    • Oinoloth

    • Yagnoloth

Plane Shift (Magic: The Gathering)

Plane Shift: Amonkhet

• • Criosphinx (CR 13)

  • Manticore, Heart-Piercer (CR 5)

  • Serpopard (CR 3)

Plane Shift: Dominaria

• • Homarid (CR 1)

  • Kavu

    • Kavu Predator (CR 2)

    • Steel Leaf Kavu (CR 4)

Plane Shift: Innistrad

• • Creepy Doll (CR 2)

  • Geist (CR 4)

  • Vampire Neonate (CR 5)

  • Werewolf (Krallenhorde) (CR 3)

Plane Shift: Ixalan

• • Chupacabra (CR 3)

  • Elder Dinosaur (CR 30)

    • Etali, Primal Storm

    • Ghalta, Primal Hunter

    • Nezahal, Primal Tide

    • Tetzimoc, Primal Delta

    • Zacama, Primal Calamity

    • Zetalpa, Primal Dawn

  • Frilled Deathspitter (CR 1/2)

  • Gishath, Sun's Avatar (CR 10)

  • Sunbird (CR 13)

Plane Shift: Kaladesh

• • Gremlin (CR 1/2)

  • Servo (CR 0)

  • Sky Leviathan (CR 10)

Plane Shift: Zendikar

• • Archon of Redemption (CR 10)

  • Felidar (CR 5)

  • Kraken [Zendikar] (CR 13)

Tales from the Yawning Portal

• • Animated Table (CR 2)

  • Centaur Mummy (CR 6)

  • Choker (CR 1)

  • Deathlock Wight (CR 3)

  • Dread Warrior (CR 1)

  • Duergar Spy (CR 2)

  • Giant Crayfish (CR 2)

  • Giant Ice Toad (CR 3)

  • Giant Lightning Eel (CR 3)

  • Giant Skeleton (CR 7)

  • Giant Subterranean Lizard (CR 4)

  • Greater Zombie (CR 5)

  • Kalka-Kylla* (CR 3)

  • Kelpie (CR 4)

  • Malformed Kraken (CR 10)

  • Nereid (CR 2)

  • Ooze Master (CR 10)

  • Sea Lion (CR 5)

  • Sharwyn Hucrele* (CR 1/2)

  • Sir Braford* (CR 1/2)

  • Siren (CR 3)

  • Tarul Var* (CR 13)

  • Tecuziztecatl* (CR 4)

  • Thayan Apprentice (CR 2)

  • Thayan Warrior (CR 2)

  • Thorn Slinger (CR 1/2)

  • Vampiric Mist (CR 3)

  • White Maw* (CR 10)

  • Yusdrayl* (CR 1)

Xanathar's Guide to Everything

• • Tiny Servant (CR -- [spell effect])