The 1998 season of Úrvalsdeild was the 87th season of league football in Iceland.

ÍBV defended their title.

ÍR and Þróttur were relegated.

[1] The competition was known as Landssímadeild, due to its sponsorship by the now-defunct company, Landssíminn.

[citation needed] Each team played every opponent once home and away for a total of 18 matches.