Marquis has many different meanings:

• The French spelling of the title known in English as Marquess. Also a variant spelling in English of the same.
• Don Marquis was a writer, poet, and journalist.
• Marquis Who’s Who is a biographical publisher.
• Marquis des Baux is a small village in southern France.
• Marquis reagent is used as a simple spot-test to identify alkaloids.
• Marquis is a type of wheat developed for use in Canada. It grows and ripens 200 miles farther north in Canada than other kinds of wheat.
• Marquis is the title of a fetish magazine.
• BT Marquis is a telephone switchboard PBX.
• The Marquis is a luxury sedan sold by Mercury.
• The following people are best known by this spelling of their title:
  • Marquis de Sade
  • Marquis of Pombal
  • Marquis de Condorcet
  • Marquis de la Fayette
  • Marquis de Custine
  • Marquis de Carabas
  • Marquis de Louvois
  • Marquis of Beixiang of Han China
  • Marquis de Laplace Pierre Simon
  • Marquis de Montcalm
  • Marquis of Granby
  • Marquis de Fremeur

Titles

Marquis