The men's decathlon at the 2018 Commonwealth Games, as part of the athletics programme, took place in the Carrara Stadium on 9 and 10 April 2018.

[1] Prior to this competition, the existing world and Games records were as follows:[2] The schedule was as follows:[1] All times are Australian Eastern Standard Time (UTC+10) Competitors contested a series of 10 events over two days, with their results being converted into points.

The final standings were decided by their cumulative points tallies.

Results after event 1 of 10:[3] Results after event 2 of 10:[4] Results after event 3 of 10:[5] Results after event 4 of 10:[6] Results after event 5 of 10:[7] Results after event 6 of 10:[8] Results after event 7 of 10:[9] Results after event 8 of 10:[10] Results after event 9 of 10:[11] Results after event 10 of 10:[12] The highest mark recorded in each event is highlighted in yellow with a diamond symbol.

The final standings were as follows:[2]