| Event: | Men's 400 metre freestyle |
| Games: | 2018 |
| Venue: | Gold Coast Aquatic Centre |
| Dates: | 5 April |
| Competitors: | 14 |
| Nations: | 11 |
| Win Value: | 3:43.76 |
| Gold: | Mack Horton |
| Goldcga: | AUS |
| Silver: | Jack McLoughlin |
| Silvercga: | AUS |
| Bronze: | James Guy |
| Bronzecga: | ENG |
| Prev: | 2014 |
| Next: | 2022 |
The men's 400 metre freestyle event at the 2018 Commonwealth Games was held on 5 April at the Gold Coast Aquatic Centre.
Prior to this competition, the existing world, Commonwealth and Games records were as follows:
The schedule is as follows:[1]
All times are Australian Eastern Standard Time (UTC+10)
| Date | Time | Round | ||
|---|---|---|---|---|
| Thursday 5 April 2018 | 10:47 | Qualifying | ||
| style=background:lemonchiffon | 19:46 | style=background:lemonchiffon | Final |
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
|---|---|---|---|---|---|---|
| 1 | 2 | 4 | 3:47.93 | Q | ||
| 2 | 2 | 6 | 3:48.18 | Q | ||
| 3 | 1 | 5 | 3:48.31 | Q | ||
| 4 | 2 | 5 | 3:48.86 | Q | ||
| 5 | 1 | 4 | 3:50.23 | Q | ||
| 6 | 1 | 3 | 3:50.76 | Q | ||
| 7 | 2 | 3 | 3:51.65 | Q | ||
| 8 | 1 | 6 | 3:51.78 | Q | ||
| 9 | 1 | 2 | 3:56.09 | |||
| 10 | 2 | 2 | 3:56.40 | |||
| 11 | 1 | 7 | 3:56.82 | |||
| 12 | 1 | 1 | 4:03.50 | |||
| 13 | 2 | 7 | 4:06.03 | |||
| 14 | 2 | 1 | 4:09.79 | |||
| Rank | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 4 | 3:43.76 | |||||
| 3 | 3:45.21 | |||||
| 2 | 3:45.32 | |||||
| 4 | 5 | 3:48.08 | ||||
| 5 | 7 | 3:49.52 | ||||
| 6 | 6 | 3:49.60 | ||||
| 7 | 8 | 3:53.36 | ||||
| 8 | 1 | 3:55.01 |