The Copa República 1983 was an official Chilean Cup tournament.
The competition started on January 11, 1984, and concluded on March 7, 1984.
Universidad Católica won the competition for their second time, beating Naval 1–0 in the final.
Played on early 1984, the tournament was the second official cup competition of the season 1983.
* Qualified as "Best Loser" * Qualified as "Best Loser"