Swimming at the 2002 Commonwealth Games – Women's 100 metre butterfly

The schedule was as follows:

All times are local time

Date	Time	Round
Thursday 1 August	10:47	Heats
	19:30	Semifinals
Friday 2 August	19:00	Final

The 16 fastest swimmers in the heats qualified for the semifinals.^[1]

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	3	4	Petria Thomas	Australia	58.45	Q, GR
2	1	5	Rachel Coffee	Australia	1:00.61	Q
3	2	5	Jen Button	Canada	1:00.67	Q
4	2	4	Mandy Loots	South Africa	1:00.70	Q
5	3	5	Georgie Lee	England	1:00.84	Q
6	1	4	Audrey Lacroix	Canada	1:01.07	Q
7	2	3	Joscelin Yeo	Singapore	1:01.22	Q
8	1	1	Maria Papadopoulou	Cyprus	1:01.80	Q
9	1	3	Alice Mills	Australia	1:01.93	Q
10	3	3	Mandy Leach	Zimbabwe	1:02.24	Q
11	2	6	Jessica Deglau	Canada	1:02.33	Q
12	3	6	Margaretha Pedder	England	1:02.45	Q
13	1	6	Bethan Francis Coole	Wales	1:03.44	Q
14	3	2	Elizabeth Van Welie	New Zealand	1:03.48	Q
15	2	2	Gemma Mary Howells	Wales	1:03.50	Q
16	1	2	Christel Bouvron	Singapore	1:03.81	Q
17	3	8	Natalia Roumbina	Cyprus	1:04.14
18	3	7	Tamara Swaby	Jamaica	1:04.25
19	1	7	Angela Galea	Malta	1:04.55
20	3	1	Sharntelle McLean	Trinidad and Tobago	1:05.25
21	2	7	Heather Roffey	Cayman Islands	1:06.07
22	2	1	Emily Crookall-Nixon	Isle of Man	1:07.28
23	2	8	Sana Abdul Wahid	Pakistan	1:15.12

The 8 fastest swimmers in the semifinals qualified for the final.^[2]

Jessica Deglau did not participate in the semifinals, and so Natalia Roumbina took the spot instead.

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	2	4	Petria Thomas	Australia	1:00.15	Q
2	1	5	Mandy Loots	South Africa	1:00.18	Q
3	2	5	Jen Button	Canada	1:00.19	Q
4	2	3	Georgie Lee	England	1:00.50	Q
5	1	3	Audrey Lacroix	Canada	1:00.51	Q
6	1	4	Rachel Coffee	Australia	1:00.89	Q
7	2	6	Joscelin Yeo	Singapore	1:00.99	Q
8	1	2	Mandy Leach	Zimbabwe	1:01.13	Q
9	2	2	Alice Mills	Australia	1:01.69
10	1	6	Maria Papadopoulou	Cyprus	1:01.83
11	2	7	Margaretha Pedder	England	1:02.48
12	1	1	Gemma Mary Howells	Wales	1:02.60
13	2	1	Elizabeth Van Welie	New Zealand	1:03.55
14	1	7	Bethan Francis Coole	Wales	1:03.76
15	2	8	Christel Bouvron	Singapore	1:03.79
16	1	8	Natalia Roumbina	Cyprus	1:05.49

The final was held on 2 August at 19:00.^[3]

Rank	Lane	Name	Nationality	Time	Notes
	4	Petria Thomas	Australia	58.57
	5	Mandy Loots	South Africa	59.68
	3	Jen Button	Canada	1:00.22
4	6	Georgie Lee	England	1:00.58
5	2	Audrey Lacroix	Canada	1:00.88
6	1	Joscelin Yeo	Singapore	1:01.14
7	7	Rachel Coffee	Australia	1:01.24
8	8	Mandy Leach	Zimbabwe	1:01.43