The 1974 NBA World Championship Series was the championship round of the 1973–74 National Basketball Association (NBA) season. The Eastern Conference champion Boston Celtics defeated the Western Conference champion Milwaukee Bucks 4 games to 3 to win the NBA championship. This was the last time the Boston Celtics won a game 7 on the road until 2022, when the Boston Celtics defeated the Miami Heat in game 7 of the Eastern Conference Finals in Miami.