The women's 100 metre butterfly event at the 1972 Olympic Games took place between August 31 and September 1.[1] This swimming event used the butterfly stroke. Because an Olympic size swimming pool is 50 metres long, this race consisted of two lengths of the pool.
Heat 1
| Rank | Athlete | Country | Time | Notes | |
|---|---|---|---|---|---|
| 1 | 1:05.09 | Q | |||
| 2 | 1:05.29 | Q | |||
| 3 | 1:06.89 | Q | |||
| 4 | 1:07.28 | Q | |||
| 5 | 1:08.52 | ||||
| 6 | 1:08.98 | ||||
| 7 | 1:09.38 | ||||
| 8 | 1:12.23 |
Heat 2
| Rank | Athlete | Country | Time | Notes | |
|---|---|---|---|---|---|
| 1 | 1:04.01 | OR, Q | |||
| 2 | 1:04.34 | Q | |||
| 3 | 1:06.70 | Q | |||
| 4 | 1:07.44 | Q | |||
| 5 | 1:08.39 | ||||
| 6 | 1:09.29 | ||||
| 7 | 1:11.67 |
Heat 3
| Rank | Athlete | Country | Time | Notes | |
|---|---|---|---|---|---|
| 1 | 1:04.80 | Q | |||
| 2 | 1:04.83 | Q | |||
| 3 | 1:04.97 | Q | |||
| 4 | 1:07.51 | ||||
| 5 | 1:07.64 | ||||
| 6 | 1:08.18 | ||||
| 7 | 1:10.92 | ||||
| 8 | 1:11.90 |
Heat 4
| Rank | Athlete | Country | Time | Notes | |
|---|---|---|---|---|---|
| 1 | 1:04.00 | OR, Q | |||
| 2 | 1:04.33 | Q | |||
| 3 | 1:05.26 | Q | |||
| 4 | 1:05.64 | Q | |||
| 5 | 1:06.26 | Q | |||
| 6 | 1:09.73 | ||||
| 7 | 1:10.37 |
Heat 1
| Rank | Athlete | Country | Time | Notes | |
|---|---|---|---|---|---|
| 1 | 1:03.80 | Q, WR | |||
| 2 | 1:04.36 | Q | |||
| 3 | 1:04.54 | Q | |||
| 4 | 1:04.64 | ||||
| 5 | 1:05.28 | ||||
| 6 | 1:06.78 | ||||
| 7 | 1:06.78 | ||||
| 8 | 1:07.76 |
Heat 2
| Rank | Athlete | Country | Time | Notes | |
|---|---|---|---|---|---|
| 1 | 1:03.97 | Q | |||
| 2 | 1:04.11 | Q | |||
| 3 | 1:04.25 | Q | |||
| 4 | 1:04.52 | Q | |||
| 5 | 1:04.53 | Q | |||
| 6 | 1:06.48 | ||||
| 7 | 1:07.12 | ||||
| 8 | 1:07.53 |
| Rank | Athlete | Country | Time | Notes | |
|---|---|---|---|---|---|
| 1:03.34 | WR | ||||
| 1:03.61 | |||||
| 1:03.73 | |||||
| 4 | 1:03.95 | ||||
| 5 | 1:03.98 | ||||
| 6 | 1:04.08 | ||||
| 7 | 1:04.15 | ||||
| 8 | 1:04.25 |
Key: OR = Olympic record