The men's flyweight boxing competition at the Rio 2016 Summer Olympics was held from 13 to 21 August at the Riocentro.

[1] The medals for the competition were presented by Irena Szewinska, Poland, IOC member, and the gifts were presented by Wu Ching-kuo, President of the AIBA.

Like all Olympic boxing events, the competition was a straight single-elimination tournament.

Both semi-final losers were awarded bronze medals.

The original silver medalist, Misha Aloyan of  Russia, was disqualified after testing positive for tuaminoheptane.