This is a list of giants and giantesses from mythology and folklore; it does not include giants from modern fantasy fiction or role-playing games (for those, see list of species in fantasy fiction).

• Anakim (Jewish mythology, references in the Old Testament)
• Argus/Panoptes (Greek mythology)
• Atlas (Greek mythology)
• Bestla (Norse mythology)
• Caca (Greek mythology)
• Cacus (Greek mythology)
• Cronus (Greek mythology)
• Cyclopes (Greek mythology)
  • Arges
  • Brontes
  • Polyphemus
  • Steropes
  • Telemus
• Daityas (Hindu mythology)
  • Bali
  • Hiranyakashipu
  • Hiranyaksha
• Epimetheus (Greek mythology)
• Fachan (Celtic mythology)
• Fir Bolg (Celtic mythology)
• Fomorians (Celtic mythology)
  • Balor
  • Banba
  • Bres
  • Buarainech
  • Cethlenn
  • Corb
  • Elatha
  • Ériu
  • Ethlinn
  • Fodla
  • Tethra
• Gaia (Greek mythology)
• Gandareva
• Gargantua and Pantagruel
• Geryon (Greek mythology)
• Gigantes (Greek mythology)
  • Alcyoneus
  • Athos
  • Echion
  • Enceladus
  • Klytius
• Gog and Magog (Jewish mythology)
• Gogmagog
• Goliath (Book of Samuel of the Bible)
• Gorm (Norse mythology)
• Hecatonchires (Greek mythology)
  • Briareus
  • Gyges
  • Cottu
• Jentilak or Gentiles (Basque mythology)
  • Basajaun
  • Olentzero
• Jotuns (Norse mythology)
  • Aegir
  • Angrboda
  • Baugi
  • Bergelmir
  • Bolthorn
  • Geirrod
  • Gilling
  • Gjalp
  • Greip
  • Grid
  • Gullveig (possibly, if she is the same as Angrboda above)
  • Gymir
  • Hrod
  • Hrungnir
  • Hymir
  • Jarnsaxa
  • Kari
  • Loki
  • Olvaldi
  • Skadi
  • Suttung
  • Thiazi
  • Thrudgelmir
  • Thrym
  • Utgardaloki
  • Vafthruthnir
  • Ymir/Aurgelmir
• Menoetius (Greek mythology)
• Nephilim (Jewish mythology)
• Nimrod (Jewish mythology, referred to in the Old Testament)
• Oni (Japanese folklore)
• Paul Bunyan (American folklore)
• Prometheus (Greek mythology)
• St Christopher (Roman Catholic saint)
• Talos (Greek mythology)
• Titans (Greek mythology)
  • Coeus
  • Crius
  • Cronus
  • Dione (rarely, but occasionally, considered a Titan.)
  • Hyperion
  • Iapetus
  • Mnemosyne
  • Oceanus
  • Ophion (rarely, but occasionally, considered a Titan.)
  • Phoebe
  • Rhea
  • Theia
  • Themis
  • Tethys
• Zipacna (Mayan mythology)