The men's 100 metres at the 2024 European Athletics Championships took place at the Stadio Olimpico on 7 and 8 June.

[1] All times are local times (UTC+2) The next 14 fastest (q) advanced to the semifinals.

The 10 highest ranked athletes received a bye into the semifinals.

[6] [6] [6] The first 2 in each heat (Q) and the next 2 fastest (q) advance to the final.

[7] *Athletes that received a bye into the semifinal [8] [8] [8] Robin Ganter withdrew from the final and was replaced by the next best performer from the semi-finals, Simon Hansen.