2018 World Rowing Championships – Men's lightweight quadruple sculls

The men's lightweight quadruple sculls competition at the 2018 World Rowing Championships in Plovdiv took place at the Plovdiv Regatta Venue.

Schedule
The schedule was as follows: All times are Eastern European Summer Time (UTC+3)

Heats
Heat winners advanced directly to the A final. The remaining boats were sent to the repechages.

Repechages
The two fastest boats in each repechage advanced to the A final. The remaining boats were sent to the B final.

Finals
The A final determined the rankings for places 1 to 6. Additional rankings were determined in the B final.