| Event: | Men's heavyweight |
| Championship: | 2019 World Championships |
| Dates: | 19 May 2019 |
| Venue: | Manchester Arena |
| Competitors: | 36 |
| Nations: | 36 |
| Gold: | Rafael Alba |
| Gold Nation: | CUB |
| Silver: | Carlos Sansores |
| Silver Nation: | MEX |
| Bronze: | Maicon Andrade |
| Bronze Nation: | BRA |
| Bronze2: | Hamza Kattan |
| Bronze2 Nation: | JOR |
| Prev: | 2017 |
| Next: | 2022 |
See main article: 2019 World Taekwondo Championships.
The men's heavyweight is a competition featured at the 2019 World Taekwondo Championships, and was held at the Manchester Arena in Manchester, United Kingdom on 19 May. Heavyweights were limited to a minimum of 87 kilograms in body mass.