'Meridian' may refer to:
Earth science
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Meridian (astronomy), imaginary circle perpendicular to the celestial equator and horizon
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Meridian (geography), imaginary line on the Earth's surface from the North Pole to the South Pole
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Principal meridian, the meridian on which a region is surveyed, under the
Dominion Land Survey in Canada or the
Public Land Survey System in the United States
United States geography
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Meridian, California
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Meridian, Colorado
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Meridian, Florida
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Meridian, Idaho
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Meridian, Mississippi
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Meridian, New York
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Meridian, Oklahoma
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Meridian, Logan County, Oklahoma
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Meridian, Stephens County, Oklahoma
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Meridian, Pennsylvania
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Meridian, Seattle, Washington
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Meridian, Texas
Business
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Meridian Audio, Ltd., British manufacturer of audio equipment
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Meridian Bank, bank based in Serbia
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Meridian Energy Limited, New Zealand electricity generation and electricity retailing company
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Meridian Gold Inc, gold mining company
Pseudoscience
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Meridian (Chinese medicine)
Fiction
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Rue Meridian, character from ''The Voyage of the Jerle Shannara'' series and ''High Druid of Shannara'' series by Terry Brooks
Literature
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''Meridian'' (comics), comic book series published by CrossGen in the early 2000s
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''Meridian'' (novel), novel by Alice Walker
Music
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DJ Meridian, drum and bass musician in New York
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Meridian Green, California-based folk musician
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Meridian Records, a record label
★ ''Meridian'', a song from the Band
Sirenia
Television
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"Meridian" (''DS9'' episode), third season episode of ''Star Trek: Deep Space Nine''
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"Meridian" (''Stargate SG-1''), episode of the science fiction television series ''Stargate SG-1''
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Meridian Broadcasting, ITV station for the south and south-east of England
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Meridian (W.I.T.C.H.), a fictional realm in the Italian comic book series,
W.I.T.C.H.
Transportation
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Meridian (train), British Rail Class 222 trains
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MS ''Meridian'', cruise ship constructed in 1961
Other
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Meridian KSI, a commercial
Learning Management System product.
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Meridian (color), which is a highly tinted blue-green.
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Meridian (perimetry, visual field), polar coordinate system for the visual field
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Meridian 59'', online game
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Meridian SL-1, the first practical all-digital telephone switch aimed at the smaller PBX market
★ '', 1990 movie
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One Meridian Plaza, an office building that burned down in Philadelphia, PA in 1991
See also
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Meridian High School
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Meridian Mall
meridian (disambiguation)