Marcus Weiss (born 1961 in Basel, Switzerland) is a saxophonist and teacher. His repertoire includes all epochs, from the beginnings in impressionistic France to the present.

As a soloist, Weiss worked with many European orchestras and ensembles of contemporary music. He has been invited to major festivals in Europe, the US and Asia. As a chamber musician, Weiss is primarily working with his two ensembles, Trio Accanto (Nicolas Hodges, piano and Christian Dierstein percussion) and Quatuor Xasax in Paris (with saxophonists Serge Bertocchi, Jean-Michel Goury and Pierre-Stéphane Meugé.

Since 1995 he has taught saxophone and chamber music at the Hochschule für Musik Basel, where he also directs a Masters program for contemporary music. He is regularly giving masterclasses at various international universities (London, Madrid, Berlin, Vienna, Moscow, Amsterdam, Bordeaux, Palma, Porto, Boston, New York, Chicago, Takefu, Sevilla.). Weiss is a regular teacher at the "Darmstaedter Ferienkurse fuer neue Musik“ as well as at IMPULS (ensemble academy) in Graz, Austria.

He studied saxophone with Iwan Roth at the Hochschule für Musik Basel and Frederick L. Hemke at Northwestern University in Evanston, Illinois. In 1989, he was awarded the soloist’s prize of the Swiss Tonkuenstlerverein.

Weiss is a d'Addario artist