The elimination of headgear for male boxers and the adoption of the "10-point must" scoring system further clears the delineation between amateur and pro format.

Men's flyweight Misha Aloian of  Russia originally won the silver medal, but was disqualified after he tested positive for Tuaminoheptane.

[5] *   Host nation (Brazil)A report published in 2021 into the judging at the Rio Olympics found that there were systemic attempts to change the outcome of certain bouts.

[6] The boxing at Rio Olympics had been mired in controversy since they took place in 2016, in particular two results attracted attention (both involving Russian athletes being awarded dubious victories) The AIBA removed an unspecified number of judges and referees following the controversy, stating that they "determined that less than a handful of the decisions were not at the level expected" and "that the concerned referees and judges will no longer officiate at the Rio 2016 Olympic Games"; however, the original decision would still remain.

[8] In 2019 the IOC stripped the AIBA of the right to organise the tournament at the 2020 Olympics, due to "issues in the areas of finance, governance, ethics and refereeing and judging".