Meridian may refer to:

Earth science

• Meridian (astronomy), imaginary circle perpendicular to the celestial equator and horizon
• Meridian (geography), imaginary line on the Earth's surface from the North Pole to the South Pole
• Prime Meridian, the meridian at which longitude is defined to be 0° on the Earth's surface.
• 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

• Meridian, California
• Meridian, Colorado
• Meridian, Florida
• Meridian, Idaho
• Meridian, Mississippi
• Meridian, New York
• Meridian, Oklahoma
• Meridian, Logan County, Oklahoma
• Meridian, Stephens County, Oklahoma
• Meridian, Pennsylvania
• Meridian, Seattle, Washington
• Meridian, Texas
• Meridian Township, Clinton County, Illinois
• Meridian Charter Township, Michigan

Arts and entertainment

• Meridian (comics), comic book series published by CrossGen in the early 2000s
• Meridian (W.I.T.C.H.), a fictional realm in the Italian comic book series, W.I.T.C.H.Films
• Meridian: Kiss of the Beast, 1990 movieGames
• Meridian 59, online game
• Meridian (Nosgoth), the capitol of Nosgoth in Blood Omen 2: Legacy of KainLiterature
• Meridian (novel), novel by Alice Walker
• Rue Meridian, character from The Voyage of the Jerle Shannara series and High Druid of Shannara series by Terry BrooksMusic
• Meridian Green, California-based folk musician
• Meridian Records, a record labelTelevision
• "Meridian" (DS9 episode), third season episode of Star Trek: Deep Space Nine
• "Meridian" (Stargate SG-1), episode of the science fiction television series Stargate SG-1
• Meridian Broadcasting, ITV station for the south and south-east of England

Business

• Meridian Audio, Ltd., British manufacturer of audio equipment
• Meridian Bank, bank based in Serbia
• Meridian Energy Limited, New Zealand electricity generation and electricity retailing company

Education

• Meridian High School (disambiguation page)
• Meridian Technology Center, Stillwater, Oklahoma, United States

Transportation

• Meridian (train), British Rail Class 222 trains
• MS Meridian, cruise ship constructed in 1961

Other

• Channel (Chinese medicine), or "Meridian"
• Meridian KSI, a commercial Learning Management System product
• Meridian (perimetry, visual field), polar coordinate system for the visual field
• One Meridian Plaza fire, an office building that burned down in Philadelphia, PA in 1991
• Nortel Meridian, a popular PBX by Nortel Networks

See also

• Meridian Mall (disambiguation page)

meridian (disambiguation)