Badminton at the 2023 Pan American Games – Men's singles

The men's singles badminton event at the 2023 Pan American Games was held from October 21 to 25 at the Olympic Training Center, located in Ñuñoa, a suburb of Santiago. The defending Pan American Games champion is Ygor Coelho of Brazil.

Each National Olympic Committee could enter a maximum of three athletes into the competition. The athletes will be drawn into an elimination stage draw. Once an athlete lost a match, they will be no longer able to compete. Each match will be contested as the best of three games. A total of 31 athletes from 20 NOC's competed.

Qualification
A total of 90 athletes (45 men and 45 women) qualified to compete at the games. A nation may enter a maximum of four athletes per gender (five if qualified through the 2021 Junior Pan American Games. As host nation, Chile automatically qualified a full team of eights athletes. All other quotas will be awarded through the team world rankings as of May 2, 2023. Each nation's highest ranked athlete/pair's points in each of the five events will be added to determine a country's point total.

Seeds
The following athletes were seeded:


 * 1)   (champion, gold medalist)
 * 2)   (quarter-finals)
 * 3)   (final, silver medalist)
 * 4)   (semi-finals, bronze medalist)