Swimming at the 2018 Commonwealth Games – Women's 4 × 100 metre medley relay
# Swimming at the 2018 Commonwealth Games – Women's 4 × 100 metre medley relay

The women's 4 × 100 metre medley relay event at the 2018 Commonwealth Games was held on 10 April at the Gold Coast Aquatic Centre.

## Records

Prior to this competition, the existing world and Commonwealth Games records were as follows.

| World record | United States (USA) | 3:51.55 | Budapest, Hungary | 30 July 2017 |
| - | - | - | - | - |
| Commonwealth record | Australia (AUS) | 3:52.58 | Rome, Italy | 1 August 2009 |
| Games record | Australia (AUS) | 3:56.23 | Glasgow, United Kingdom | 29 July 2014 |

The following records were established during the competition:

| Date | Event | Nation | Swimmers | Time | Record |
| - | - | - | - | - | - |
| 10 April | Final | Australia | Emily Seebohm (59.52) Georgia Bohl (1:06.85) Emma McKeon (56.42) Bronte Campbell (51.57) | 3:54.36 | GR |

## Results

The final was held at 21:43.

| Rank | Lane | Nation | Swimmers | Time | Notes |
| - | - | - | - | - | - |
| | 4 | Australia | Emily Seebohm (59.52) Georgia Bohl (1:06.85) Emma McKeon (56.42) Bronte Campbell (51.57) | 3:54.36 | GR |
| | 5 | Canada | Kylie Masse (59.02) Kierra Smith (1:06.68) Penny Oleksiak (56.86) Taylor Ruck (52.54) | 3:55.10 | |
| | 6 | Wales | Georgia Davies (1:00.34) Chloé Tutton (1:07.39) Alys Thomas (57.29) Kathryn Greenslade (55.73) | 4:00.75 | |
| 4 | 3 | England | Lizzie Simmonds (1:00.62) Sarah Vasey (1:08.01) Siobhan-Marie O'Connor (58.57) Anna Hopkin (54.47) | 4:01.67 | |
| 5 | 2 | Scotland | Kathleen Dawson (1:01.72) Corrie Scott (1:08.33) Keanna MacInnes (1:00.63) Lucy Hope (54.49) | 4:05.17 | |
| 6 | 8 | New Zealand | Bobbi Gichard (1:01.65) Bronagh Ryan (1:10.09) Helena Gasson (1:00.32) Laticia Transom (55.41) | 4:07.47 | |
| 7 | 1 | South Africa | Nathania van Niekerk (1:04.08) Kaylene Corbett (1:11.68) Erin Gallagher (1:00.45) Emma Chelius (55.81) | 4:12.02 | |
| 8 | 7 | Isle of Man | Niamh Robinson (1:07.22) Laura Kinley (1:10.54) Charlotte Atkinson (59.66) Stephanie Brew (1:02.83) | 4:20.25 | |
