{{Infobox tennis circuit season
The 2026 ATP Tour is the global elite men's professional tennis circuit organized by the Association of Tennis Professionals (ATP) for the 2026 tennis season. [1] The 2026 ATP Tour calendar comprises the Grand Slam tournaments, supervised by the International Tennis Federation (ITF), the ATP Finals, the ATP Tour Masters 1000, the ATP 500, the ATP 250, and the United Cup (organized with the WTA). Also included in the 2026 calendar are the Davis Cup (organized by the ITF), Next Gen ATP Finals, Hopman Cup and Laver Cup, none of which distribute ranking points. [1]