For any team to have some sort of success, the chances are likely that they need to have a smart leader dictating the flow and rhythm of this team. If they're not a leader on the court, then they're either playing a prominent role on defense and being more of a "glue guy" that promotes team unity and working together as a cohesive unit.
Being a smart player on the court doesn't always translate to certain championships, but it will usually translate to success. All 10 of the players on this list have either won a title, come close to a title or have just gotten bad luck and have primarily been on bad teams. No matter where they are, however, they are still recognized as the smartest players in the NBA.
These guys know how to play the game well, and they know how to do it right. By utilizing fundamentals and treating this organization as a business, these 10 players have been looked at as some of the classier and most intelligent players in the league. It doesn't matter at what age they were; these players have always carried some sort of knowledge to the game.
So let's get into seeing who the 10 smartest players—in no particular order—in the league are, shall we?