2021 European Athletics U23 Championships – Men's decathlon

The men's decathlon event at the 2021 European Athletics U23 Championships was held in Tallinn, Estonia, at Kadriorg Stadium on 10 and 11 July.

Records
Prior to the competition, the records were as follows:

Final standings
{{legend|#F2F5A9|The highest mark recorded in each event is highlighted in yellow|border=solid 1px #AAAAAA}}