1989 JSL Cup Final was the 14th final of the JSL Cup competition. The final was played at Toyohashi Football Stadium in Aichi on September 16, 1989. Nissan Motors won the championship.
Defending champion Nissan Motors won their 2nd title, by defeating Yamaha Motors 1–0 with Takashi Mizunuma goal. Nissan Motors won the title for 2 years in a row.
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