The men's decathlon at the 2024 Summer Olympics was held in Paris, France, on 2 and 3 August 2024.

The men's decathlon has been present on the Olympic athletics programme since 1912.

For the men's decathlon event, the qualification period was between 1 July 2023 and 30 June 2024.

[1] All times are Central European Summer Time (UTC+2) The men's decathlon took place over two consecutive days, with 5 events each day.

[2][3] Prior to this competition, the existing world, Olympic, and area records were as follows.