1998 World Allround Speed Skating Championships

The 1998 World Allround Speed Skating Championships were held on 13–15 March 1998 in the Thialf stadium in Heerenveen, Netherlands.

Gunda Niemann-Stirnemann and Ids Postma were the world title holders from the previous year and successfully defended their titles. It was Niemann-Stirnemann's seventh all-round world title.

Women
bold signifies championship record.