The Boston Celtics won the most NBA titles with 17 championships. The Lakers have the second most with 16 championships.
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The Boston Celtics have won the most NBA Finals and thus the most NBA championships with 17.
Chicago Bulls
The Boston Celtics currently have 17 NBA championships
The Boston Celtics with 17 Championships.
The Boston Celtics. They have won 17 times.The NBA teams that has won the most finals or with the most titles is the The Boston Celtics.