The men's Greco-Roman 120 kilograms is a competition featured at the 2009 World Wrestling Championships, and was held at the Messecenter Herning exhibition center in Herning, Denmark on September 27.

This Greco-Roman wrestling competition consists of a single-elimination tournament, with a repechage used to determine the winner of two bronze medals.

Results Legend F — Won by fall R — Retired

Final

Top half

Bottom half

Repechage

References Results Book, Page 137