See main article: 2023 BNP Paribas Open.
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. He did not drop a set en route to his third Masters 1000 title and eighth ATP Tour title overall. With the win, he regained the world No. 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. As a result, he dropped out of the top 10 in the ATP rankings for the first time since his top 10 debut in April 2005, ending a record streak of 912 weeks.
All seeds received a bye into the second round.
The following are the seeded players. Seedings are based on ATP rankings as of March 6, 2023. Rankings and points before are as of March 6, 2023.
| Seed | Rank | Player | Points before | Points defending | Points earned | Points after | Status | |
|---|---|---|---|---|---|---|---|---|
| 1 | 2 |  Carlos Alcaraz | 6,780 | 360 | 1,000 | 7,420 | Champion, defeated Daniil Medvedev [5] | |
| 2 | 3 | Stefanos Tsitsipas | 5,805 | 45 | 10 | 5,770 | Second round lost to  Jordan Thompson | |
| 3 | 4 |  Casper Ruud | 5,560 | 45 | 45 | 5,560 | Third round lost to Cristian Garín [Q] | |
| 4 | 5 |  Taylor Fritz | 3,795 | 1,000 | 180 | 2,975 | Quarterfinals lost to  Jannik Sinner [11] | |
| 5 | 6 | Daniil Medvedev | 3,775 | 45 | 600 | 4,330 | Runner-up, lost to Carlos Alcaraz [1] | |
| 6 | 7 | Andrey Rublev | 3,660 | 360 | 90 | 3,390 | Fourth round lost to  Cameron Norrie [10] | |
| 7 | 8 | Holger Rune | 3,321 | 41 | 45 | 3,325 | Third round lost to Stan Wawrinka [PR] | |
| 8 | 10 |  Félix Auger-Aliassime | 3,245 | 10 | 180 | 3,415 | Quarterfinals lost to Carlos Alcaraz [1] | |
| 9 | 11 |  Hubert Hurkacz | 3,110 | 90 | 45 | 3,065 | Third round lost to Tommy Paul [17] | |
| 10 | 12 | Cameron Norrie | 2,815 | 180 | 180 | 2,815 | Quarterfinals lost to Frances Tiafoe [14] | |
| 11 | 13 | Jannik Sinner | 2,655 | 90 | 360 | 2,925 | Semifinals lost to Carlos Alcaraz [1] | |
| 12 | 14 | Alexander Zverev | 2,500 | 10 | 90 | 2,580 | Fourth round lost to Daniil Medvedev [5] | |
| 13 | 15 | Karen Khachanov | 2,470 | 10 | 45 | 2,505 | ||
| 14 | 16 | Frances Tiafoe | 2,395 | 45 | 360 | 2,710 | Semifinals lost to Daniil Medvedev [5] | |
| Pablo Carreño Busta | 2,240 | 10 | 0 | 2,230 | Withdrew due to elbow injury | |||
| 16 | 18 | Alex de Minaur | 2,165 | 90 | 10 | 2,085 | Second round lost to  Márton Fucsovics | |
| 17 | 19 | Tommy Paul | 2,000 | 45 | 90 | 2,045 | Fourth round lost to Félix Auger-Aliassime [8] | |
| 18 | 20 | Borna Ćorić | 1,905 | 10 | 10 | 1,905 | Second round lost to  Alex Molčan | |
| 19 | 21 | Lorenzo Musetti | 1,855 | 25 | 10 | 1,840 | Second round lost to  Adrian Mannarino | |
| 20 | 23 | Matteo Berrettini | 1,780 | 90 | 10 | 1,700 | Second round lost to  Taro Daniel [Q] | |
| 21 | 25 | Grigor Dimitrov | 1,620 | 180 | 10 | 1,450 | Second round retired against Jason Kubler | |
| 22 | 27 | Roberto Bautista Agut | 1,465 | 45 | 10 | 1,430 | Second round lost to  Emil Ruusuvuori | |
| 23 | 28 | 1,390 | 25 | 180 | 1,545 | Quarterfinals lost to Daniil Medvedev [5] | ||
| 24 | 29 | Dan Evans | 1,380 | 45 | 10 | 1,345 | Second round lost to Jack Draper | |
| 25 | 30 | Denis Shapovalov | 1,380 | 45 | 10 | 1,345 | Second round lost to Ugo Humbert | |
| 26 | 31 |  Miomir Kecmanović | 1,290 | 180 | 10 | 1,120 | Second round lost to Stan Wawrinka [PR] | |
| 27 | 32 |  Francisco Cerúndolo | 1,275 | 0 | 45 | 1,320 | Third round lost to Félix Auger-Aliassime [8] | |
| 28 | 33 |  Botic van de Zandschulp | 1,205 | 45 | 10 | 1,170 | Second round retired against Ilya Ivashka | |
| 29 | 34 | Yoshihito Nishioka | 1,142 | 8 | 10 | 1,144 | Second round lost to Cristian Garín [Q] | |
| 30 | 35 | Sebastián Báez | 1,135 | 10 | 45 | 1,170 | Third round lost to Taylor Fritz [4] | |
| 31 | 36 | Tallon Griekspoor | 1,034 | 10 | 45 | 1,069 | Third round lost to Carlos Alcaraz [1] | |
| 32 | 37 | Maxime Cressy | 1,016 | 10 | 10 | 1,016 | Second round lost to Alejandro Tabilo [Q] |
The following players would have been seeded, but withdrew before the tournament began.
| Rank | Player | Points before | Points dropped | Points after | Withdrawal reason | |
|---|---|---|---|---|---|---|
| 1 | Novak Djokovic | 7,160 | 0 | 7,160 | Vaccination requirements not met | |
| 9 | Rafael Nadal | 3,315 | 600 | 2,715 | Left leg injury[5] | |
| 22 | Nick Kyrgios | 1,825 | 180 | 1,645 | Left knee injury[6] | |
| 24 | Marin Čilić | 1,745 | 10 | 1,735 | Knee injury[7] | |
| 26 | Sebastian Korda | 1,550 | 25 | 1,525 | Right wrist injury |
Source:[8]