420+ Names That Mean Poison: Boy, Girl & Fantasy Name Ideas

Ever thought about giving your character, pet, or creative project a name with a dark twist? Names that mean poison carry mystery and power. They’re bold, memorable, and pack a punch.

Whether you’re writing a fantasy novel, naming a gaming character, or just love edgy names, poison-inspired names bring something special to the table. These aren’t your everyday names.

They whisper danger and intrigue. From ancient myths to modern pop culture, poison names have always fascinated us. Think about it: poison represents both beauty and danger, just like nature itself. Some of the most stunning flowers are toxic, and that duality makes these names unforgettable.

In this guide, I’m sharing over 420 names connected to poison, venom, and toxicity. You’ll find options for boys, girls, fantasy worlds, and names from Japanese and Chinese cultures. Each name tells its own story. 

Ready to discover the perfect poisonous name? Let’s jump in.

Names That Mean Poison or Venom

These names directly reference poison, venom, or toxic elements. Perfect for characters who are dangerous yet captivating.

• Toxica – Latin origin, means “poisonous substance”
• Venenifer – Carries venom, ancient Roman term
• Bisha – Arabic for poison or venom
• Akton – Greek meaning “ray” but connected to stingray venom
• Alaric – Means “ruler of poison” in old Germanic
• Cyanic – Related to cyanide compounds
• Datura – A poisonous flowering plant
• Hemlocke – Variant of the deadly poison hemlock
• Iocane – Fictional poison from Princess Bride fame
• Jespar – Persian origin, means “one who brings poison”
• Kalmia – A toxic mountain laurel plant
• Locusta – Named after the famous Roman poisoner
• Mamba – Deadly African snake species
• Noxin – Derived from “noxious” meaning harmful
• Oleander – Beautiful but deadly flowering shrub
• Phenom – Short for “venomous phenomenon”
• Quilltox – Combination of quill and toxic
• Ricin – Deadly toxin from castor beans
• Strychnos – Plant genus containing strychnine
• Taipan – One of the world’s most venomous snakes
• Urtica – Latin for nettle, a stinging plant
• Vipera – Latin term for viper snake
• Wolfsbane – Also called aconite, highly poisonous
• Xenotox – Foreign or strange toxin
• Yewbark – From the poisonous yew tree
• Zootoxin – Animal-derived poison
• Belladonna – “Beautiful lady” in Italian, deadly nightshade
• Curare – Poison used on hunting arrows
• Digitoxin – Toxic compound from foxglove
• Envenom – The act of poisoning
• Fenrir – Norse wolf associated with destruction
• Gila – From the venomous Gila monster
• Hydrotoxin – Water-based poison
• Inktoxin – Poison delivered through injection
• Jararaca – Venomous Brazilian pit viper
• Krait – Highly venomous Asian snake
• Latrodectus – Black widow spider genus
• Monkshood – Common name for deadly aconite
• Neurotoxin – Nerve-damaging poison
• Ophiotoxin – Snake venom component

Boy Names That Mean Poison

Strong, masculine names with poisonous meanings. These work great for brave yet dangerous characters.

• Akeldama – Field of blood, biblical reference
• Bane – Old English for destroyer or poison
• Cyanide – Deadly chemical compound
• Draven – Hunter, often associated with dark themes
• Elapid – Family of venomous snakes
• Fenris – Monstrous wolf from Norse mythology
• Gorgon – Greek monster with venomous blood
• Hectare – Twisted from Hector, means holder of poison
• Ichor – Toxic blood of the Greek gods
• Jex – Short for toxic or vexing
• Kpoison – Direct spelling variation
• Lycan – Werewolf, represents danger
• Mephisto – Devil figure, represents evil
• Naga – Serpent deity from Hindu mythology
• Orcus – Roman god of the underworld
• Pytho – Ancient serpent killed by Apollo
• Quillon – Sword guard, protects from poison blades
• Raze – To destroy completely
• Serpens – Latin for serpent
• Thanos – Death in Greek
• Umber – Dark shadow, mysterious
• Vex – To poison or irritate
• Wraith – Ghostly dangerous spirit
• Xander – Defender, but with dark edge
• Yama – Hindu god of death
• Zephyr – Can mean deadly wind
• Abaddon – Hebrew for destruction
• Basilisk – Legendary poisonous serpent
• Corvus – Raven, death symbol
• Draco – Dragon or serpent
• Eclipse – Darkness overtaking light
• Fang – Sharp tooth that delivers venom
• Grimm – Dark and dangerous
• Hades – Greek god of the underworld
• Ignatius – Fiery, burning like poison
• Jinx – Bad luck curse
• Kerberos – Three-headed guard dog
• Loki – Trickster god, often harmful
• Morpheus – God of dreams and sleep
• Nox – Night in Latin

Read More: 350+ Names That Mean Chaos

Girl Names That Mean Poison

Beautiful yet deadly names for female characters. Grace meets danger in these selections.

• Amanita – Deadly mushroom genus
• Bryony – Poisonous climbing plant
• Cerastes – Horned viper snake
• Delphinia – Related to delphinium, toxic flower
• Echidna – Mother of monsters in Greek myth
• Flora – Can reference poisonous plants
• Gloriosa – Flame lily, beautiful but toxic
• Hyacinth – Flower with toxic bulbs
• Ivy – Some varieties are poisonous
• Jezebel – Biblical figure associated with evil
• Kali – Hindu goddess of destruction
• Lilith – Demon in Jewish folklore
• Medusa – Gorgon with snake hair
• Nightshade – Family of poisonous plants
• Orchid – Some species are toxic
• Persephone – Queen of the underworld
• Quintessa – Fifth essence, mysterious
• Rhea – Titan mother, powerful
• Siren – Dangerous mythical creature
• Tansy – Toxic yellow flower
• Ursula – Little bear, sea witch
• Vanya – Russian, means gracious but sounds dark
• Wisteria – Climbing plant with toxic seeds
• Xenia – Stranger, mysterious guest
• Yarrow – Healing herb but can be toxic
• Zinnia – Flower, some varieties irritant
• Arsenia – Feminine form of arsenic
• Bellatrix – Female warrior, Lestrange reference
• Circe – Witch who poisoned Odysseus’ men
• Desdemona – Tragic, ill-fated character
• Eris – Greek goddess of discord
• Foxglove – Digitalis, beautiful but deadly
• Gynura – Velvet plant, some toxic
• Hellebore – Winter rose, poisonous
• Iris – Some parts are toxic
• Jinx – Curse or hex
• Kashmira – Kashmir, sounds exotic and dark
• Lamia – Child-eating demon
• Morgana – Sorceress from Arthurian legend
• Nyx – Greek goddess of night

Male Names That Mean Poison

Powerful masculine names with toxic connections. Perfect for antiheroes and complex characters.

• Adder – Venomous snake species
• Blackmamba – Deadly African snake
• Cobra – Iconic venomous serpent
• Diablo – Spanish for devil
• Executioner – One who deals death
• Fafnir – Dragon from Norse mythology
• Gangrel – Wanderer, often dangerous
• Hydrus – Water serpent constellation
• Infernus – Related to inferno and hell
• Jormungandr – World serpent in Norse myth
• Krakatoa – Volcano, destructive force
• Lachesis – One of the Fates, cuts life thread
• Mortis – Death in Latin
• Nemesis – Greek goddess of revenge
• Oblivion – Complete destruction
• Phantom – Ghost, dangerous spirit
• Quasimodo – Misunderstood but powerful
• Ravage – Cause severe damage
• Specter – Haunting ghost
• Thanatos – Personification of death
• Undertaker – One who handles death
• Vandal – Destroyer of things
• Wyvern – Dragon-like creature
• Xerxes – Persian king, warrior
• Yersinia – Plague bacteria genus
• Zagan – Demon king
• Anubis – Egyptian god of death
• Brutus – Brute, violent
• Crimson – Blood red color
• Daemon – Evil spirit
• Enforcer – One who imposes will
• Fiend – Evil creature
• Goliath – Giant enemy
• Havoc – Widespread destruction
• Inferno – Raging fire
• Juggernaut – Unstoppable force
• Kraken – Sea monster
• Lucifer – Fallen angel
• Moros – Greek spirit of doom
• Nephilim – Giant beings in biblical texts

Female Names That Mean Poison

Elegant names with dangerous undertones. These names balance femininity with fierce power.

• Aconitum – Scientific name for wolfsbane
• Bloodroot – Plant with toxic red sap
• Cassandra – Prophet of doom
• Daphne – Laurel, some parts toxic
• Elara – Moon with mysterious aura
• Freya – Norse goddess, fierce warrior
• Gaia – Earth mother, nature’s power
• Hecate – Goddess of witchcraft
• Isolde – Tragic lover, poison reference
• Jinxia – Combination of jinx and Asia
• Keres – Female death spirits
• Libitina – Roman goddess of death
• Morana – Slavic goddess of death
• Nephele – Cloud nymph, mysterious
• Obsidian – Volcanic glass, sharp and dark
• Pandora – Opened box of evils
• Queenie – Powerful ruler
• Ravenna – Evil queen reference
• Selene – Moon goddess, dark beauty
• Tempest – Violent storm
• Umbra – Darkest part of shadow
• Valkyrie – Chooser of the slain
• Widow – Black widow spider
• Xanthe – Golden but deadly
• Ygritte – Wildling, fierce
• Zelena – Green, can mean envy
• Atropos – Fate who cuts life thread
• Banshee – Death messenger
• Calypso – Nymph who trapped Odysseus
• Dolores – Spanish for sorrows
• Ereshkigal – Mesopotamian underworld goddess
• Fury – Vengeful spirit
• Grendel – Monster from Beowulf
• Hel – Norse goddess of death
• Innana – Ancient goddess, descent to underworld
• Jezamine – Jasmine variant, sounds sinister
• Kitsune – Fox spirit, trickster
• Lethe – River of forgetfulness
• Morrigan – Celtic war goddess
• Nocturne – Of the night

Fantasy Names That Mean Poison

Creative invented names for fantasy worlds. These sound magical while carrying dark meanings.

• Aethertox – Magical poison from the ether
• Blightcaller – One who summons decay
• Crimsonthorn – Red thorned poisonous plant
• Darkbrew – Poisonous potion
• Ebonvenom – Black poison
• Fellshade – Deadly shadow
• Gloomspore – Toxic fungal spore
• Hexbane – Cursed poison
• Ironblight – Metal-corrupting toxin
• Jadestrike – Poisoned weapon hit
• Killthorn – Deadly thorned plant
• Lichendoom – Undead poison master
• Miretoxin – Swamp poison
• Netherbane – Underworld poison
• Onyxfang – Black venomous tooth
• Plagueweaver – Disease spreader
• Quartzsting – Crystal poison delivery
• Ruindust – Destructive powder
• Shadowvenom – Dark poison
• Thornwhisper – Quiet but deadly
• Umbralvex – Shadow curse
• Voidtaint – Corrupting nothingness
• Wyrmtoxin – Dragon poison
• Xyphos – Blade coated in venom
• Yewshade – Poisonous tree shadow
• Zephyrbane – Wind-carried poison
• Ashenblight – Gray death powder
• Brimstonefire – Sulfurous poison
• Corpsevine – Dead plant that poisons
• Dreadspore – Fearsome toxic spore
• Eldritch – Strange and sinister
• Frostbite – Cold poison
• Ghostbloom – Spectral poisonous flower
• Hollowfang – Empty venomous tooth
• Ichorweep – Toxic blood tears
• Jadewisp – Poisonous spirit
• Karnevil – Corrupted carnival
• Lurkvenom – Hidden poison
• Midnightshade – Dark nightshade variant
• Nimbustoxin – Cloud poison

Japanese Names That Mean Poison

Names from Japanese culture with poison connections. Beautiful language meets dark meaning.

• Dokuja – Poison snake
• Hebikage – Snake shadow
• Sabaku – Desert, harsh environment
• Tsuki – Moon, can represent mystery
• Yami – Darkness
• Kage – Shadow
• Akuma – Demon
• Kuroi – Black or dark
• Shi – Death
• Hebi – Snake
• Sasori – Scorpion
• Kumo – Spider
• Kuro – Dark
• Makai – Demon world
• Oni – Demon or ogre
• Reikon – Ghost or spirit
• Saburo – Third son, sounds mysterious
• Tatsu – Dragon
• Uroko – Scale, reptilian
• Warui – Evil or bad
• Yamiyo – Dark night
• Zankoku – Cruel
• Akui – Malice
• Bushou – Warlord
• Chishio – Bloodshed
• Dokuro – Skull
• Fukushu – Revenge
• Gōmon – Torture
• Higeki – Tragedy
• Inma – Demon
• Jigoku – Hell
• Kemono – Beast
• Maguma – Magma
• Nikushimi – Hatred
• Ōkami – Wolf
• Raiden – Thunder god
• Senshi – Warrior
• Tsume – Claw or talon
• Yoru – Night
• Zetsubō – Despair

Read More: 300+ Unique & Funny Names That Mean Death

Japanese Girl Names That Mean Poison

Feminine Japanese names with dark elegance. Combining beauty with hidden danger.

• Akemi – Bright beauty, ironic darkness
• Dokuhime – Poison princess
• Hebime – Snake princess
• Kagemi – Shadow beauty
• Kurohana – Black flower
• Mayonaka – Midnight
• Yamiko – Child of darkness
• Kuromori – Dark forest
• Shikyo – Death
• Tsukiko – Moon child
• Yamihime – Dark princess
• Akane – Deep red, blood
• Kumohime – Spider princess
• Sasori – Scorpion (can be female)
• Yukiko – Snow child, cold beauty
• Kazehime – Wind princess, fleeting
• Noroi – Curse
• Yamiha – Dark leaf
• Kuroyuki – Black snow
• Dokubana – Poison flower
• Hebihime – Serpent lady
• Kageri – Shadow cast
• Yumeko – Dream child, mysterious
• Maihime – Dancing princess, deadly grace
• Akihime – Autumn princess, decay
• Kurenai – Crimson red
• Yamikawa – Dark river
• Shinobu – Endurance, stealth
• Tsukihi – Moon and sun, duality
• Kurohime – Black princess
• Ayakashi – Strange phenomenon
• Dokuyume – Poison dream
• Hebionna – Snake woman
• Kagura – Divine dance, can be eerie
• Kuroyami – Complete darkness
• Yoruhana – Night flower
• Shizuka – Quiet, ominously calm
• Yamiyuki – Dark snow
• Kagehime – Shadow princess
• Kurotsubaki – Black camellia

Chinese Names That Mean Poison

Names from Chinese culture with toxic meanings. Rich tradition meets mysterious power.

• Dú – Poison in Chinese
• Shé – Snake
• Xié – Evil or wicked
• Yè – Night
• Hēi – Black
• Lóng – Dragon
• Guǐ – Ghost or demon
• Àn – Dark
• Sǐ – Death
• Dúshé – Venomous snake
• Hēilóng – Black dragon
• Xiělíng – Evil spirit
• Yèyǐng – Night shadow
• Dúlóng – Poison dragon
• Shéyāo – Snake demon
• Hēiyè – Black night
• Guǐhuǒ – Ghost fire
• Ànyǐng – Dark shadow
• Dúhuā – Poison flower
• Xiéfēng – Evil wind
• Yèmó – Night demon
• Hēixuè – Black blood
• Lóngshé – Dragon serpent
• Dúyún – Poison cloud
• Shéwáng – Snake king
• Xiéyǎn – Evil eye
• Yègui – Night ghost
• Hēiyǐng – Black shadow
• Dúcì – Poison thorn
• Shéxīn – Snake heart
• Xiéhún – Evil soul
• Yèláng – Night wolf
• Hēifeng – Black wind
• Dúzhī – Poison branch
• Shémèi – Snake charm
• Xiéshén – Evil god
• Yèxīng – Night star
• Hēishí – Black stone
• Dúyè – Poison leaf

Poison Name Generator

Want to create your own poison name? Here’s how.

• Start with a base word that represents danger, nature, or darkness.
• Think about words like shadow, thorn, venom, night, or blood.
• Add a descriptive prefix or suffix.
• Try words like dark-, black-, death-, -bane, -shade, or -thorn.
• Mix languages for unique sounds.
• Combine Latin, Greek, Japanese, or invented syllables.
• Consider the character’s personality.
• A sneaky character might be “Whisperthorn” while a bold one could be “Thundervenom.”
• Test how it sounds out loud.
• Say it a few times to make sure it flows naturally.
• Check for unintended meanings.
• Google your creation to avoid awkward associations.

Here are some quick combinations to spark ideas:

• Night + Bloom = Nightbloom
• Shadow + Fang = Shadowfang
• Venom + Rose = Venomrose
• Dark + Whisper = Darkwhisper
• Blood + Thorn = Bloodthorn
• Poison + Lily = Poisonlily
• Ghost + Vine = Ghostvine
• Black + Petal = Blackpetal

Mix and match until you find something that clicks. Your perfect poison name is waiting to be discovered.

Final Thought

Poison names carry weight and mystery. They’re memorable because they balance beauty with danger.

Whether you choose something from mythology, nature, or pure imagination, these names make an impact. Remember that context matters.

A name perfect for a fantasy villain might not work for a pet goldfish (unless you have a really interesting goldfish). Think about who or what you’re naming and what story you want to tell.

The best poison names feel authentic to their world. They should roll off the tongue while hinting at something deeper. Over 420 options give you plenty of room to explore. Don’t rush the decision.

Try out a few names, live with them for a day or two. See which one keeps pulling you back. That’s usually the winner. What poison name speaks to you? Drop a comment and share your favorite pick. Or better yet, tell me if you created your own unique combination. 

I’d love to hear what you came up with. Happy naming, and may your characters be as unforgettable as their poisonous monikers.