The men's 100 kg competition at the 2021 European Judo Championships was held on 18 April at the Altice Arena.

[1] This event was part of a larger tournament running from April 16-18, involving 359 judokas from 45 nations.

In this weight category, notable athletes competed, including Varlam Liparteliani from Georgia, a silver medalist at previous international tournaments, and Toma Nikiforov of Belgium.

[2]