Fog is a visible mass consisting of cloud water droplets or ice crystals suspended in the air at or near the Earth's surface.

Look up fog in Wiktionary, the free dictionary.

Fog or FOG may also refer to:

• "Fog" (poem), by Carl Sandburg
• The Fog, a 1921 novel by William Dudley Pelley
• Fog, a 1933 novel by Valentine Williams and Dorothy Rice Sims
• The Fog (novel), a 1975 British horror novel by James Herbert

• The Fog (1923 film), 1923 American silent drama film directed by Paul Powell
• Fog (1932 film), a French Spanish-language drama
• Fog (1933 film), an American pre-Code film
• The Fog (1980 film), a 1980 American horror film
  • The Fog (soundtrack)
• The Fog (2005 film), an American-Canadian remake of the 1980 horror film
• "The Fog" (Mad Men), a 2009 episode of the American television series

• Fog (surname), list of people with the surname

• Fog Bay, Antarctica
• Fog Bay, Northern Territory, Australia
• Fog Bay and Finniss River Floodplains, Australia
• Foggia "Gino Lisa" Airport, Italy
• Forest Gate railway station, England

• Fats, Oils and Grease (FOG); see Grease trap
• FOG1, friend of GATA1, a protein encoded by the ZFPM1 gene
• Distance fog, a technique in 3D rendering
• Fibre optic gyroscope
• Fog computing
• Gunning fog index, a measure of text readability
• FOG Project

• Fear, obligation and guilt, emotional blackmail
• FOG Inc., a Japanese video game developer
• Full On Games, a Japanese video game developer

• All pages with titles containing Fog
• Fogg (disambiguation)
• Fogge (disambiguation)
• Fogging (disambiguation)
• Phog (disambiguation)
• London fog (disambiguation)
• San Francisco fog

This disambiguation page lists articles associated with the title Fog.
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