The 1904 World Allround Speed Skating Championships took place at 6 and 7 February 1904 at the ice rink Gamle Frogner Stadion in Kristiania, Norway. There was no defending champion. won all four distances and became World Champion, but after it was found that he had once participated in a professional match in the United States, against the rules of the ISU, he was disqualified. Sigurd Mathisen, who originally came second, was declared World Champion.