| Event: | Men's flyweight |
| Championship: | 2017 World Championships |
| Dates: | 27–28 June 2017 |
| Venue: | Taekwondowon |
| Competitors: | 80 |
| Nations: | 80 |
| Gold: | Jeong Yun-jo |
| Gold Nation: | KOR |
| Silver: | Mikhail Artamonov |
| Silver Nation: | RUS |
| Bronze: | Carlos Navarro |
| Bronze Nation: | MEX |
| Bronze2: | Jesús Tortosa |
| Bronze2 Nation: | ESP |
| Prev: | 2015 |
| Next: | 2019 |
See main article: 2017 World Taekwondo Championships.
The men's flyweight is a competition featured at the 2017 World Taekwondo Championships, and was held at the Taekwondowon in Muju County, South Korea on June 27 and June 28. Flyweights were limited to a maximum of 58 kilograms in body mass.