The 1984 Air Canada Silver Broom, the men's world curling championship, was held from April 2–8 at the Memorial Auditorium in Duluth, Minnesota, United States.

Skip: Günther Märker Third: Ronald Koudelka Second: Günther Mochny Lead: Ernst Egger Alternate: Günther Hummelt Skip: Mike Riley Third: Brian Toews Second: John Helston Lead: Russ Wookey Skip: Christian Thune Third: Niels Siggaard Second: Jens Møller Lead: Torsten Søndergaard Skip: Keith Wendorf Third: Hans Dieter Kiesel Second: Sven Saile Lead: Heiner Martin Skip: Andrea Pavani Third: Franco Sovilla Second: Giancarlo Valt Lead: Stefano Morona Skip: Eigil Ramsfjell Third: Sjur Loen Second: Gunnar Meland Lead: Bo Bakke Skip: Mike Hay Third: David Hay Second: David Smith Lead: Russell Keiller Alternate: Gordon Sneddon Fourth: Connie Östlund Skip: Per Lindeman Second: Carl von Wendt Lead: Bo Andersson Skip: Peter Attinger Jr. Third: Bernhard Attinger Second: Werner Attinger Lead: Kurt Attinger Fourth: Joe Roberts Skip: Bruce Roberts Second: Gary Kleffman Lead: Jerry Scott