| Event: | Men's singles |
| Championship: | 2015 BWF World Championships |
| Dates: | – |
| Venue: | Istora Senayan |
| Location: | Jakarta, Indonesia |
| Gold: | Chen Long |
| Rowspan: | 2 |
The men's singles tournament of the 2015 BWF World Championships (World Badminton Championships) took place from August 10 to 16, 2015. Chen Long successfully defended his title winning the World Championships for the second time in his career.
See also: 1 and 1. 
Chen Long (champion)
See also: 2 and 4. Jan Ø. Jørgensen (semifinals)
See also: 3 and 3. 
Srikanth Kidambi (third round)
See also: 4 and 2. 
Kento Momota (semifinals)
See also: 5 and 4. Lin Dan (quarterfinals)
See also: 6 and 2. Chou Tien-chen (first round)
See also: 7 and 1. Viktor Axelsen (quarterfinals)
See also: 8 and 3. Wang Zhengming (third round)
See also: 9 and 4. 
Son Wan-ho (third round)
See also: 10 and 2. Kashyap Parupalli (second round)
See also: 11 and 1. H. S. Prannoy (third round)
See also: 12 and 3. Marc Zwiebler (second round)
See also: 13 and 3. 
Hu Yun (quarterfinals)
See also: 14 and 4. Hans-Kristian Vittinghus (third round)
See also: 15 and 2. Tommy Sugiarto (second round)
See also: 16 and 1. Rajiv Ouseph (first round)