Mercator (Latin for "merchant") often refers to the Mercator projection, a cartographic projection named after its inventor, Gerardus Mercator.

Mercator may also refer to:

• Gerardus Mercator, 16th-century geographer, cosmographer, and cartographer
• Marius Mercator, (c. 390–451), a Catholic ecclesiastical writer

• Arnold Mercator, a 16th-century cartographer
• Rumold Mercator, a 16th-century cartographer

• Nicholas Mercator, a 17th-century mathematician
  • Mercator series, a representation of the natural logarithm

• Mercator (retail), a Slovenian supermarket chain
• Mercator-S, a retail company in Serbia, part of Agrokor Group
• Mercator School of Management, University of Duisburg-Essen, Germany
• Mercator Limited, a shipping company in India
• Mercator Corporation, a consulting firm and investment bank formed by James Giffen, involved with Kazakhgate

• Mercator (ship), a barquentine museum ship in Oostende, Belgium
• P4M Mercator, a reconnaissance aircraft used by the United States Navy during the 1950s
• QinetiQ Mercator, a British unmanned aerial vehicle (UAV)
• SS Mercator and MV Mercator, a number of ships named Mercator

• Mercator 1569 world map, the first map in Mercator's projection
• Mercator Telescope, a Belgian telescope installed in La Palma, Canary Islands
• Mercator K55K, a type of pocketknife produced in Germany
• Mercator (play), a comedic play by Plautus
• IBM InfoSphere DataStage, software whose component DataStage TX was formerly known as Mercator and is now called WebSphere Transformation Extender
• "Mercator", a song by P-MODEL from the album Perspective II
• Mercator (crater), a lunar impact crater on the southwestern edge of Mare Nubium

• Kaufmann (German)
• Kofman or Koffman (Dutch)
• Marchant (French)
• Merchant (surname)

This disambiguation page lists articles associated with the title Mercator.
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