The 2021 European Athletics U20 Championships were the 26th edition of the biennial European U20 athletics championships.

They were held in Tallinn, Estonia from 15 July to 18 July.

[1] The 2021 European Athletics U23 Championships had been held in the same venue one week earlier, after Bergen renounced.

Source:[2] *   Host nation (Estonia)^[1] Not included in the official medal table.

1,230 athletes (624 men and 606 women) from 46 nations are expected to participate in these championships.