The 1991 World Men's Curling Championship (branded as 1991 Canada Safeway World Men's Curling Championship for sponsorship reasons) took place from March 23 to 31 at the Winnipeg Arena in Winnipeg, Manitoba, Canada.

Skip: Kevin Martin Third: Kevin Park Second: Dan Petryk Lead: Don Bartlett Alternate: Jules Owchar Skip: Christian Thune Third: Niels Siggaard Second: Henrik Jakobsen Lead: Lasse Lavrsen Alternate: Anders Søderblom Skip: Jussi Uusipaavalniemi Third: Jari Laukkanen Second: Jori Aro Lead: Marko Poikolainen Alternate: Juhani Heinonen Skip: Dominique Dupont-Roc Third: Claude Feige Second: Thierry Mercier Lead: Patrick Philippe Alternate: Daniel Moratelli Skip: Andy Kapp Third: Florian Zörgiebel Second: Cristopher Huber Lead: Michael Schäffer Alternate: Ulrich Schneider Skip: Eigil Ramsfjell Third: Sjur Loen Second: Niclas Järund Lead: Morten Skaug Alternate: Dagfinn Loen Skip: David Smith Third: Graeme Connal Second: Peter Smith Lead: David Hay Alternate: Mike Hay Skip: Dan-Ola Eriksson Third: Sören Grahn Second: Jonas Sjölander Lead: Stefan Holmén Alternate: Håkan Funk Skip: Markus Eggler Third: Frédéric Jean Second: Stefan Hofer Lead: Björn Schröder Skip: Steve Brown Third: Paul Pustovar Second: George Godfrey Lead: Wally Henry Alternate: Mike Fraboni