| Event: | Men's flyweight |
| Championship: | 2009 World Championships |
| Dates: | 15 October 2009 |
| Venue: | Ballerup Super Arena |
| Competitors: | 76 |
| Nations: | 76 |
| Gold: | Joel González |
| Gold Nation: | ESP |
| Silver: | Damián Villa |
| Silver Nation: | MEX |
| Bronze: | Sayed Hasan Rezai |
| Bronze Nation: | AFG |
| Bronze Variant: | 2013 |
| Bronze2: | Mauro Crismanich |
| Bronze2 Nation: | ARG |
| Prev: | 2007 |
| Next: | 2011 |
See main article: 2009 World Taekwondo Championships.
The Men's flyweight competition was the lightest class featured at the 2009 World Taekwondo Championships, and was held at the Ballerup Super Arena in Copenhagen, Denmark on 15 October.
Flyweights were limited to a maximum of 58 kilograms in body mass. Joel González from Spain won the gold medal after beating Damián Villa in the final.