| Event: | Men's welterweight |
| Championship: | 2019 World Championships |
| Dates: | 18–19 May 2019 |
| Venue: | Manchester Arena |
| Competitors: | 62 |
| Nations: | 62 |
| Gold: | Milad Beigi |
| Gold Nation: | AZE |
| Silver: | Apostolos Telikostoglou |
| Silver Nation: | GRE |
| Bronze: | Moisés Hernández |
| Bronze Nation: | DOM |
| Bronze2: | Park Woo-hyeok |
| Bronze2 Nation: | KOR |
| Prev: | 2017 |
| Next: | 2022 |
See main article: 2019 World Taekwondo Championships.
The men's welterweight is a competition featured at the 2019 World Taekwondo Championships, and was held at the Manchester Arena in Manchester, United Kingdom on 18 and 19 May. Welterweights were limited to a maximum of 80 kilograms in body mass.