The 2021 Deutschland Tour was a men's road cycling stage race which took place from 26 to 29 August 2021.

It was the 35th edition of the Deutschland Tour, which is rated as a 2.Pro event on the 2021 UCI Europe Tour and the 2021 UCI ProSeries calendars.

[1] This edition was the race's first in the UCI ProSeries; the 2020 edition was expected to feature in the inaugural UCI ProSeries but was cancelled due to the COVID-19 pandemic.

[2][3] Nine of the 19 UCI WorldTeams, seven UCI ProTeams, five UCI Continental teams, and the German national team made up the twenty-two teams that participated in the race.

With Uno-X Pro Cycling Team also reduced to five with one late non-starter, 130 riders started the race.