8 mm or 8mm may refer to:
;Film technology
*
8 mm film, a photographic cine film format principally intended for domestic use. The term may also refer to later variants:
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Super 8 mm film
Super 8 mm film is a motion-picture film format released in 1965 by Eastman Kodak as an improvement over the older "Double" or "Regular" 8 mm home movie format.
The film is nominally 8 mm wide, the same as older formatted ...
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Single-8
Single-8 is a motion picture film format introduced by Fujifilm of Japan in 1965 as an alternative to the Kodak Super 8 format. The company Konan (that developed the Konan-16 subminiature camera) claims in its history page to have developed the ...
film
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8 mm video format, a type of video recorder and tape that is primarily used in camcorders, including Video 8 and Hi 8
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Digital8 video tape format
;Firearms
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8 mm caliber
This is a list of firearm cartridges which have bullets in the caliber range.
*''Length'' refers to the empty cartridge case length
*''OAL'' refers to the overall length of the loaded cartridge
All measurements are in mm (in)
Pistol cartri ...
, ammunition with bullet in the 8 mm (.315 in) caliber range
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7.92×57mm Mauser "8 mm Mauser cartridge" – a rifle cartridge originating in Germany (though not designed by the Mauser company)
;Other uses
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8mm (band)
8mm is a rock band from Los Angeles, California. 8mm was started by Sean Beavan (who formerly worked with bands such as Marilyn Manson, Nine Inch Nails and God Lives Underwater), and his wife Juliette Beavan. 8mm has toured internationally in ...
, pop-rock band from Los Angeles, California
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''8mm'' (film), about a private detective trying to verify the authenticity of a snuff film
{{Letter-Number Combination Disambiguation