Wrestling at the 2004 Summer Olympics – Men's Greco-Roman 84 kg

The men's Greco-Roman 84 kilograms at the 2004 Summer Olympics as part of the wrestling program were held at the Ano Liosia Olympic Hall, from August 24 to August 25.

The competition was held with an elimination system of three or four wrestlers in each pool, with the winners qualifying for the quarterfinals, semifinals, and final by way of direct elimination.

Pelle Svensson, a former two-time world champion (Greco-Roman 100 kg class) and member of the board of FILA from 1990 to 2007, has described FILA as an inherently corrupt organization. During the 2004 Summer Olympics in Athens, Svensson served as chairman of the disciplinary committee of FILA.