1999 Pan Pacific Swimming Championships – Women's 800 metre freestyle

The women's 800 metre freestyle competition at the 1999 Pan Pacific Swimming Championships took place on August 27–28 at the Sydney International Aquatic Centre. The last champion was Brooke Bennett of US.

Records
Prior to this competition, the existing world and Pan Pacific records were as follows:

Results
All times are in minutes and seconds.

Heats
The first round was held on August 27.

Final
The final was held on August 28.