A marquess (; , ) is a nobleman of hereditary rank in various European peerages and in those of some of their former colonies. The term is also used to translate equivalent Asian styles, as in imperial China and Japan.

Marquis is a fetish magazine owned, operated, published and primarily photographed by Peter W. Czernich and Sandra Würdig. Based in Germany, Marquis covers a wide array of topics related to the worldwide fetish subculture. The magazine's name is a reference to the Marquis de Sade.