Ju-jitsu at the 2009 World Games – Men's fighting −77 kg

The men's fighting −77 kg competition in ju-jitsu at the 2009 World Games took place on 22 July 2009 at the National Sun Yat-Sen University Gymnasium in Kaohsiung, Taiwan.

Competition format
A total of 8 athletes entered the competition. They fought in stepladder system.