| has gloss | eng: This is the list of the number-one singles of the Finnish Singles Chart in 1998. | width="100%" | Issue Date || Song || Artist |- | 1/1998 || Pop-Musiikkia || Neljä Baritonia |- | 2/1998 || Pop-Musiikkia || Neljä Baritonia |- | 3/1998 || Pop-Musiikkia || Neljä Baritonia |- | 4/1998 || Pop-Musiikkia || Neljä Baritonia |- | 5/1998 || Pop-Musiikkia || Neljä Baritonia |- | 6/1998 || Pop-Musiikkia || Neljä Baritonia |- | 7/1998 || Frozen || Madonna |- | 8/1998 || My Heart Will Go On || Celine Dion |- | 9/1998 || Its Like That || Run D.M.C vs. Jason Nevins |- | 10/1998 || The Unforgiven II || Metallica |- | 11/1998|| Its Like That || Run D.M.C vs. Jason Nevins |- | 12/1998|| Its Like That || Run D.M.C vs. Jason Nevins |- | 13/1998|| Its Like That || Run D.M.C vs. Jason Nevins |- | 14/1998|| Its Like That || Run D.M.C vs. |