| Event: | Men's 100 kg |
| Championship: | 2021 European Judo Championships |
| Date: | 18 April |
| Venue: | Altice Arena |
| Location: | Lisbon, Portugal |
| Competitors: | 32 |
| Nations: | 24 |
| Gold: | Toma Nikiforov |
| Gold Value: | 2 |
| Gold Nation: | BEL |
| Silver: | Varlam Liparteliani |
| Silver Nation: | GEO |
| Bronze: | Alexandre Iddir |
| Bronze Nation: | FRA |
| Bronze2: | Zelym Kotsoiev |
| Bronze2 Nation: | AZE |
| Prev: | Prague 2020 |
| Next: | Sofia 2022 |
The men's 100 kg competition at the 2021 European Judo Championships was held on 18 April at the Altice Arena.[1]