Dagon is an ancient Semitic god.

Dagon may also refer to:

• Dagon, name used by Josephus for Dok, ancient fortress near Jericho
• Dagon (butterfly), a butterfly genus
• Dagon (novel), a 1968 novel by Fred Chappell
• Dagon (Cthulhu Mythos), a deity in H. P. Lovecraft's Cthulhu Mythos
  • "Dagon" (short story), a 1917 short story by H. P. Lovecraft
  • Dagon (film), a 2001 film based on H. P. Lovecraft's novella The Shadow over Innsmouth
• Dagon (Dungeons & Dragons), a deity in Dungeons & Dragons
• Dagon (Devil May Cry), a demon from the video game Devil May Cry 4
• Dagon, California, a town in Amador County, California, USA
• Dagon International, a Burmese conglomerate
• Dagon Township, a neighborhood of Yangon, Myanmar
• Dagon University, a university in Yangon
• Dagon (planet) or Fomalhaut b, a former candidate exoplanet
• Nightrider (DC Comics) or Dagon, a DC Comics character
• The Dagons, a psychedelic band from Los Angeles
• Mehrunes Dagon, the main villain in The Elder Scrolls IV: Oblivion
• Dagon, a minor villain in the Jujutsu Kaisen series.

...