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

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

[3] The two fastest boats in each repechage advanced to the quarterfinals.

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

[6] The three fastest boats in each semi advanced to the C final.