The women's 800 metre freestyle event at the 1998 Commonwealth Games took place at KL Sports City.

Records Prior to this competition, the existing world, Commonwealth and Games records were as follows:

Results Heats

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

Final

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

References