2018 Junior Pan Pacific Swimming Championships
The 2018 Junior Pan Pacific Swimming Championships were held from 23 to 26 August 2018 at Damodar Aquatic Centre in Suva, Fiji, and were co-hosted by Fiji Swimming and USA Swimming. Competition was conducted in a long course pool. Finals were classified as A-final and B-final with medalists determined from the A-final.
Open water swimming was not contested due to the FINA World Junior Open Water Championships and a 4×100 metre mixed medley relay was introduced to the program.
Championships records set
The following Championships records were set during the course of competition.| Day | Date | Event | Stage | Time | Name | Country |
| 1 | 23 August | 100 m backstroke | Heats | 59.72 | Phoebe Bacon | |
| 1 | 23 August | 100 m backstroke | Heats, Swim-off | 59.59 | Katharine Berkoff | |
| 1 | 23 August | 200 m freestyle | Final | 1:47.65 | Drew Kibler | |
| 1 | 23 August | 4×100 m medley relay | Final | 3:47.01 | Phoebe Bacon Daniel Roy Luca Urlando Gretchen Walsh | |
| 2 | 24 August | 100 m breaststroke | Heats | 1:07.61 | Emily Weiss | |
| 2 | 24 August | 100 m freestyle | Final | 54.47 | Gretchen Walsh | |
| 2 | 24 August | 100 m breaststroke | Final | 1:07.55 | Emily Weiss | |
| 2 | 24 August | 4×200 m freestyle relay | Final | 7:57.93 | Claire Tuggle Isabel Ivey Gretchen Walsh Lucie Nordmann | |
| 2 | 24 August | 4×200 m freestyle relay | Final | 7:16.42 | Jake Magahey Drew Kibler Dare Rose Carson Foster | |
| 3 | 25 August | 200 m backstroke | Heats | 2:08.81 | Isabelle Stadden | |
| 3 | 25 August | 100 m butterfly | Final | 58.38 | Maggie Mac Neil | |
| 4 | 26 August | 1500 m freestyle | Final | 16:08.09 | Lani Pallister | |
| 4 | 26 August | 4×100 m medley relay | Final | 4:02.33 | Phoebe Bacon Emily Weiss Lucie Nordmann Gretchen Walsh |