The 1998 Copa CONMEBOL Finals were the final match series to decide the winner of the 1998 Copa CONMEBOL, a continental cup competition organised by CONMEBOL. The final was contested by Argentine club Rosario Central and Brazilian Santos FC. Played under a two-legged tie system, Santos won the first leg held in Estádio Urbano Caldeira in Santos, São Paulo. As the second leg at Estadio Gigante de Arroyito in Rosario ended in a 0–0 tie, Santos won 10 on aggregate, achieving their first Cup trophy.