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.

[1][2][3][4][5][6][7][8][9][10][11] Only two swimmers per country could compete in finals, and only four swimmers per country could compete in semi-finals.

Legend: WR – World record; CR – Championship record; CWR – Commonwealth record; NR – National record Legend: WR – World record; CR – Championship record; NR – National record (determined by FINA points)