This is a list of all the NBA champions. All NBA Finals have been played in a best-of-seven format, and contested between the winners of the Eastern Conference and the Western Conference (formerly Divisions before 1970), except in 1950 in which the Eastern Division champion faced the winner between the Western and Central Division champions. The winning team of the series receives the Larry O'Brien Championship Trophy.
The Eastern Conference/Division leads the Western Conference/Division in series won (35–27). The defunct Central Division won one championship. The Boston Celtics and the Minneapolis / Los Angeles Lakers alone own close half of the titles, having won a combined 33 of 71 championships.