The 2021 Volta ao Algarve (English: Tour of the Algarve) was a road cycling stage race that took place in the Algarve region of Portugal between 5 and 9 May 2021.

It was the 47th edition of the Volta ao Algarve and was a category 2.Pro event on the 2021 UCI Europe Tour and the 2021 UCI ProSeries calendars.

[3] The race was originally scheduled for 17 to 21 February,[2] but due to rising COVID-19 cases in Portugal leading up to the race, it had to be postponed to 5 to 9 May.

[4][5] Seven UCI WorldTeams, eight UCI ProTeams, and ten UCI Continental teams made up the twenty-five teams that participated in the race.

With each team fielding seven riders, there were 175 starters, of which 153 riders finished the race.