List of fictional parasites

This list encompasses fictional characters and species who are parasites and/or parasitoids.

A

 * Alien (sometimes referred to as a xenomorph), parasitoid species that is the primary antagonist of the Alien franchise
 * Aparoid

B

 * Baby (Dragon Ball)
 * Bellum (The Legend of Zelda)
 * Bezoar (Buffy the Vampire Slayer)
 * Biollante
 * Blackrock (comics)
 * Brood (comics)
 * William Birkin

C

 * Carnage (character)
 * Ceti eel - creature in the film Star Trek II: The Wrath of Khan, invading the human brain
 * Chimera Anima - blob-shaped parasitic aliens in manga Tokyo Mew Mew, infecting animals and changing them into monsters

D

 * Deathspiral Butterfly - parasitoid butterfly in Shadowrun
 * Destoroyah
 * DNAlien (Ben 10)

E

 * Eclipso
 * Edriss 562

F

 * Flood (Halo)

G

 * Goa'uld - the main antagonists in Stargate and Stargate SG-1
 * Gravemind
 * Gregor Samson (Skullgirls)
 * Gae Bolga (Skullgirls)

H

 * Headcrab
 * Heartless (Kingdom Hearts)
 * Hedorah

I

 * Illyria (Angel)
 * Imhotep (character)

J

 * Jiger

L

 * Left Hand (Vampire Hunter D)
 * Lavos
 * Las Plagas
 * Leviathan (Skullgirls)

M

 * Metroid (species)
 * Metroid Prime (character)
 * Mummudrai
 * MUTO

N

 * Hinako Ninomiya
 * Nemesis (Resident Evil)
 * Neurax Worm (Plague Inc.)
 * Cassandra Nova
 * N'Tal ("Second Soul", 1995 episode of The Outer Limits)

P

 * Parallax (comics)
 * Parasite (comics)
 * Parasite - 1982 3-D film
 * Pod People (Invasion of the Body Snatchers)
 * Parasytes (manga)

R

 * Regulan bloodworm - mentioned in various episodes of Star Trek, sometimes causing sickness but also medically useful

S

 * Slimebiote (Ben 10)
 * Sublime (Marvel Comics)
 * Symbiote (comics)
 * Silents (Doctor Who)
 * Sekhmet (Skullgirls)

T

 * Thread, filaments of a space-borne spore that devours organic matter in the Dragonriders of Pern
 * Trill symbiont in Star Trek: Deep Space Nine, a symbiotic life form that gives its host all the memories of its previous hosts

U

 * Unity (Superman: The Animated Series)

V

 * Venom (Marvel Comics character) Spider-Man's archenemy from outer space
 * Visser Three, the main antagonist character in the Animorphs book and television series
 * Jason Voorhees (See Jason Goes to Hell: The Final Friday)

X

 * X Parasite

Y

 * Yeerk, the main antagonist race in book and television series Animorphs