| Event: | Men's singles |
| Championship: | 2013 BWF World Championships |
| Dates: | – |
| Venue: | Tianhe Sports Center |
| Location: | Guangzhou, China |
| Gold: | Lin Dan |
| Gold Nation: | CHN |
| Silver: | Lee Chong Wei |
| Silver Nation: | MAS |
| Bronze: | Du Pengyu |
| Bronze Nation: | CHN |
| Bronze2: | Nguyễn Tiến Minh |
| Bronze2 Nation: | VIE |
| Prev: | 2011 London |
| Next: | 2014 Copenhagen |
The men's singles tournament of the 2013 BWF World Championships (World Badminton Championships) was held from August 5 to 11. Lin Dan was the defending champion.
Lin Dan defeated Lee Chong Wei 16–21, 21–13, 20–17r in the final.