2002 Pan Pacific Swimming Championships – Women's 100 metre breaststroke

The women's 100 metre breaststroke competition at the 2002 Pan Pacific Swimming Championships took place on August 24–25 at the Yokohama International Swimming Pool. The last champion was Penelope Heyns of South Africa.

This race consisted of two lengths of the pool, both lengths being in breaststroke.

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 24.

Semifinals
The semifinals were held on August 24.

Final
The final was held on August 25.