The 2020 Gran Trittico Lombardo was a one-day road cycling race held on 3 August 2020.

The race was rated as a 1.Pro event on the 2020 UCI ProSeries.

The race started in Legnano and finished in Varese on a 199.7 kilometer course.

[1] The race was won solo in heavy rain by the Spaniard Gorka Izagirre of the Astana team.

Of the 146 riders that started the race, only 52 finished.