2004 BDO Curling Classic was held November 4–7, 2004 at the Glendale Golf & Country Club in Hamilton, Ontario.

It was the first of four (men's) Grand Slam events of the 2004-05 curling season,[1] and it is considered to be that season's version of The National event.

Edmonton's Kevin Martin rink overcame a 5–0 deficit to defeat Winnipeg's Jeff Stoughton team in the final, 10–9.

[1] Sportsnet covered the semifinal and final on television.

[2] The teams were as follows:[3] The event was a triple knock out.