| 2018 Oceania Swimming Championships | |
| Hostcity: | Port Moresby, Papua New Guinea |
| Dates: | 25–30 June |
| Venues: | Taurama Aquatic Centre |
| Events: | 46 |
| Previous: | 2016 Suva |
| Next: | 2024 Gold Coast |
The 2018 Oceania Swimming Championships was held from 25 to 30 June 2018 at the Taurama Aquatic Centre in Port Moresby, Papua New Guinea.[1] It was the twelfth edition of the biennial championships as well as the first to be held in Port Moresby. The tournament featured competition in swimming and open water swimming.[2]
A total of sixteen teams have confirmed participation for the 2018 Oceania Swimming Championships:
| 50m freestyle | 23.23 | 23.26 | 23.90 | ||||
| 100m freestyle | 50.84 | 51.31 | 51.50 | ||||
| 200m freestyle | 1:51.14 | 1:51.21 | 1:53.13 | ||||
| 400m freestyle | 3:56.01 | 3:57.41 | 4:01.11 | ||||
| 1500m freestyle | 15:49.46 | 15:53.08 | 16:03.39 | ||||
| 50m backstroke | 26.25 | 26.34 | 26.38 | ||||
| 100m backstroke | 56.78 | 56.95 | 56.96 | ||||
| 200m backstroke | 2:01.95 | 2:04.19 | 2:07.05 | ||||
| 50m breaststroke | 29.34 | 29.35 | 29.36 | ||||
| 100m breaststroke | 1:03.40 | 1:03.84 | 1:03.84 | ||||
| 200m breaststroke | 2:15.54 | 2:17.39 | 2:18.70 | ||||
| 50m butterfly | 24.66 | 24.94 | 25.50 | ||||
| 100m butterfly | 54.68 | 54.85 | 55.53 | ||||
| 200m butterfly | 2:03.02 | 2:04.44 | 2:06.19 | ||||
| 200m individual medley | 2:04.07 | 2:05.96 | 2:07.04 | ||||
| 400 individual medley | 4:27.47 | 4:30.32 | 4:32.53 | ||||
| 4 × 100m freestyle relay | 3:25.38 | 3:28.05 | 3:34.33 | ||||
| 4 × 200m freestyle relay | 7:34.02 | 7:34.85 | 8:16.09 | ||||
| 4 × 100m medley relay | 3:45.64 | 3:48.07 | 3:56.78 | ||||
| 5km Open water | 1:00:04.82 | Not awarded | 1:02:13.88 | ||||
| 10km Open water | 1:42:28 | 2:01:45 | 2:03:54 | ||||
| 50m freestyle | 26.05 | 26.06 | 26.34 | ||||
| 100m freestyle | 56.64 | 57.06 | 57.30 | ||||
| 200m freestyle | 2:01.74 | 2:03.43 | 2:04.56 | ||||
| 400m freestyle | 4:18.96 | 4:18.96 | 4:24.64 | ||||
| 800m freestyle | 8:46.69 | 8:48.07 | 8:58.28 | ||||
| 50m backstroke | 29.62 | 30.37 | Not awarded | ||||
| 100m backstroke | 1:03.32 | 1:06.72 | 1:08.55 | ||||
| 200m backstroke | 2:17.74 | 2:21.31 | 2:21.85 | ||||
| 50m breaststroke | 32.88 | 33.40 | 34.08 | ||||
| 100m breaststroke | 1:10.97 | 1:11.45 | 1:12.96 | ||||
| 200m breaststroke | 2:34.56 | 2:34.91 | 2:37.52 | ||||
| 50m butterfly | 28.09 | 28.60 | 29.13 | ||||
| 100m butterfly | 1:01.84 | 1:03.48 | 1:05.81 | ||||
| 200m butterfly | 2:15.38 | 2:18.07 | 2:23.61 | ||||
| 200m individual medley | 2:19.76 | 2:20.04 | 2:21.78 | ||||
| 400 individual medley | 4:55.57 | 4:56.73 | 4:56.73 | ||||
| 4 × 100m freestyle relay | 3:50.55 | 3:54.67 | 4:02.81 | ||||
| 4 × 200m freestyle relay | 8:22.28 | 8:40.77 | 8:41.52 | ||||
| 4 × 100m medley relay | 4:18.58 | 4:20.49 | 4:27.79 | ||||
| 5km Open water | 1:03:17.20 | 1:03:40.01 | 1:06:13.33 | ||||
| 10km Open water | 2:08:18 | 2:09:39 | 2:12:57 | ||||
| 4 × 50m freestyle relay | 1:37.70 | 1:39.07 | 1:41.04 | ||||
| 4 × 100m freestyle relay | 3:35.36 NR | 3:37.20 | 3:41.17 | ||||
| 4 × 50m medley relay | 1:49.78 | 1:49.92 | 1:54.69 | ||||
| 4 × 100m medley relay | 4:01.60 | 4:02.58 | 4:09.02 |