The 1983 National League Championship Series was a best-of-five matchup between the West Division champion Los Angeles Dodgers and the East Division champion Philadelphia Phillies. The Phillies beat the Dodgers, three games to one, and would go on lose the World Series to the Baltimore Orioles.

During the regular season, the Dodgers had beaten the Phillies in eleven of the twelve games they played.

Philadelphia won the series, 3–1.

Tuesday, October 4, 1983, at Dodger Stadium in Los Angeles, California

Mike Schmidt hit a two-out homer off Jerry Reuss in the first, and the Phillies made it hold up as Steve Carlton and Al Holland combined to scatter seven Dodger hits. The Dodgers' only threats came in the sixth, when Steve Sax singled, Bill Russell sacrificed Sax to second, and Sax went to third on a Carlton wild pitch. Carlton retired the last two hitters, however. Another threat came in the eighth when singles by Sax and Dusty Baker and a walk to Pedro Guerrero loaded the bases, chasing Carlton. Holland came in and retired Mike Marshall for the third out and finished the game.

Wednesday, October 5, 1983, at Dodger Stadium in Los Angeles, California

The Dodgers drew first blood with a Ken Landreaux RBI single in the first. Gary Matthews tied it for the Phils in the second with a home run off Fernando Valenzuela. Valenzuela and Cy Young Award winner John Denny would continue dueling until the Dodger half of the fifth. Valenzuela led off and reached third when Garry Maddox misplayed a fly-ball. However, with one out, Valenzuela was thrown out at the plate on a Greg Brock ground ball (Brock reached first). Seemingly out of the inning, Denny walked Dusty Baker and then gave up a tie-breaking two-run triple to Pedro Guerrero.

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