The men's single sculls competition at the 2019 World Rowing Championships took place at the Linz-Ottensheim regatta venue.

[1] A top-nine finish ensured qualification for the Tokyo Olympics.

[2] The schedule was as follows:[1] All times are Central European Summer Time (UTC+2) The two fastest boats in each heat advanced directly to the AD quarterfinals.

[3] Repechage winners advanced to the AD quarterfinals.

[5] The three fastest boats in each quarter advanced to the A/B semifinals.