1999 Pan Pacific Swimming Championships

The eighth edition of the Pan Pacific Swimming Championships, a long course (50 m) event, was held in 1999 at the Sydney International Aquatic Centre in Sydney, Australia, from 22–29 August. Only two swimmers per country could compete in finals, and only four swimmers per country could compete in semi-finals.

Men's events
Legend: WR – World record; CR – Championship record; CWR – Commonwealth record; NR – National record

Women's events
Legend: WR – World record; CR – Championship record; CWR – Commonwealth record; NR – National record

Awards
(determined by FINA points)
 * Rookie of the Meet: 🇺🇸 Megan Quann (USA) (100 m breaststroke)
 * Male Swimmer of the Meet: 🇦🇺 Ian Thorpe (AUS) (400 m freestyle)
 * Female Swimmer of the Meet: Penny Heyns (200 m breaststroke)