Carlos Alcaraz defeated Daniil Medvedev in the final, 6–3, 6–2 to win the men's singles tennis title at the 2023 Indian Wells Masters.

1 singles ranking from Novak Djokovic,[1] who was unable to enter the United States due to being unvaccinated for COVID-19.

[2] Alcaraz also ended the 19-match winning streak of Medvedev, who was the first Russian to contest the final since Andrei Chesnokov in 1992.

Taylor Fritz was the defending champion,[3] but lost in the quarterfinals to Jannik Sinner.

[4] Rafael Nadal withdrew from the tournament due to a left leg injury.