The 2019 National League Wild Card Game was a play-in game during Major League Baseball's (MLB) 2019 postseason contested between the National League's two wild card teams: the Washington Nationals and Milwaukee Brewers. Played on October 1, Washington won by a score of 4–3 to advance to the National League Division Series to face the Los Angeles Dodgers. The game was televised nationally by TBS.

The 2019 Washington Nationals season was the Nationals' 15th season competing as the Major League Baseball (MLB) franchise representative in the District of Columbia, the 12th season at Nationals Park, and the 51st since the original team was started in Montreal, Quebec, Canada. The team clinched a playoff berth for the third time in four seasons on September 24. The Nationals won their first ever National League pennant on October 15, and eventually won their first World Series in franchise history on October 30, becoming the seventh Wild Card team to win the World Series. The Nationals also set all-time franchise records in home runs (231) and runs scored (873).