| Event: | Women's 800 metre freestyle |
| Games: | 1998 |
| Venue: | KL Sports City |
| Competitors: | 13 |
| Nations: | 9 |
| Win Value: | 8:42.23 |
| Gold: | Rachel Harris |
| Goldcga: | AUS |
| Silver: | Joanne Malar |
| Silvercga: | CAN |
| Bronze: | Sarah Collings |
| Bronzecga: | ENG |
| Prev: | 1994 |
| Next: | 2002 |
The women's 800 metre freestyle event at the 1998 Commonwealth Games took place at KL Sports City.
Prior to this competition, the existing world, Commonwealth and Games records were as follows:
| Rank | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|
| 1 | 8:46.52 | Q | |||
| 2 | 8:43.96 | Q | |||
| 3 | 8:52.07 | Q | |||
| 4 | 8:52.24 | Q | |||
| 5 | 8:52.28 | Q | |||
| 6 | 8:59.93 | Q | |||
| 7 | 9:01.78 | Q | |||
| 8 | 9:06.47 | Q | |||
| 9 | 9:14.46 | ||||
| 10 | 9:45.34 | ||||
| 11 | 9:48.72 | ||||
| 12 | 9:55.27 | ||||
| 13 | 10:24.37 |
| Rank | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 5 | 8:42.32 | |||||
| 2 | 8:43.96 | |||||
| 4 | 8:45.56 | |||||
| 4 | 6 | 8:45.87 | ||||
| 5 | 1 | 8:51.54 | ||||
| 6 | 3 | 8:52.99 | ||||
| 7 | 8 | 8:54.24 | ||||
| 8 | 7 | 8:55.36 |