# Swimming at the 1976 Summer Olympics – Women's 100 metre butterfly

The women's 100 metre butterfly event for the 1976 Summer Olympics was held in Montreal. The event took place on 21 & 22 July 1976.

## Results
### Heats

Heat 1
| Rank | Athlete | Country | Time | Notes |
| 1 | Hélène Boivin | Canada | 1:02.67 | Q, OR |
| 2 | LeLei Fonoimoana | United States | 1:02.75 | Q |
| 3 | Sue Jenner | Great Britain | 1:04.19 | Q |
| 4 | Lynne Rowe | New Zealand | 1:04.23 | Q |
| 5 | Jane Alexander | Great Britain | 1:06.33 | |
| 6 | Þórunn Alfreðsdóttir | Iceland | 1:09.63 | |
Heat 2
| Rank | Athlete | Country | Time | Notes |
| 1 | Wendy Boglioli | United States | 1:01.84 | Q, OR |
| 2 | Yasue Hatsuda | Japan | 1:03.32 | Q |
| 3 | Joanne Atkinson | Great Britain | 1:04.70 | |
| 4 | Chantal Grimard | Belgium | 1:06.10 | |
| 5 | Donatella Talpo-Schiavon | Italy | 1:06.15 | |
| 6 | Montserrat Majo | Spain | 1:06.79 | |
Heat 3
| Rank | Athlete | Country | Time | Notes |
| 1 | Kornelia Ender | East Germany | 1:02.45 | Q |
| 2 | María París | Costa Rica | 1:03.67 | Q |
| 3 | Linda Hanel | Australia | 1:03.78 | Q |
| 4 | Nira Stove | Australia | 1:04.78 | |
| 5 | Ineke Ran | Netherlands | 1:05.63 | |
| 6 | Rossana Juncos | Argentina | 1:06.76 | |
| 7 | Shelley Cramer | Virgin Islands | 1:08.55 | |
Heat 4
| Rank | Athlete | Country | Time | Notes |
| 1 | Wendy Quirk | Canada | 1:01.93 | Q |
| 2 | Camille Wright | United States | 1:02.22 | Q |
| 3 | Gunilla Andersson | Sweden | 1:04.48 | |
| 4 | Beate Jasch | West Germany | 1:04.82 | |
| 5 | María Hung | Venezuela | 1:07.37 | |
| 6 | Sansanee Changkasiri | Thailand | 1:10.97 | |
Heat 5
| Rank | Athlete | Country | Time | Notes |
| 1 | Rosemarie Kother-Gabriel | East Germany | 1:02.34 | Q |
| 2 | Tamara Shelofastova | Soviet Union | 1:02.40 | Q |
| 3 | Kuniko Banno | Japan | 1:03.66 | Q |
| 4 | Nataliya Popova | Soviet Union | 1:05.22 | |
| 5 | José Damen | Netherlands | 1:06.09 | |
| 6 | Marianela Huen | Venezuela | 1:07.17 | |
| 7 | Liliana Cian | Colombia | 1:09.91 | |
Heat 6
| Rank | Athlete | Country | Time | Notes |
| 1 | Andrea Pollack | East Germany | 1:01.43 | Q, OR |
| 2 | Susan Sloan | Canada | 1:03.12 | Q |
| 3 | Gudrun Beckmann | West Germany | 1:04.36 | |
| 4 | Lyle Smith | Australia | 1:04.71 | |
| 5 | Flavia Nadalutti | Brazil | 1:06.29 | |
| 6 | Rosemary Ribeiro | Brazil | 1:06.50 | |
| 7 | María Mock | Puerto Rico | 1:06.52 | |

### Semifinals

Heat 1
| Rank | Athlete | Country | Time | Notes |
| 1 | Wendy Boglioli | United States | 1:01.75 | Q |
| 2 | Camille Wright | United States | 1:01.89 | Q |
| 3 | Tamara Shelofastova | Soviet Union | 1:02.40 | Q |
| 4 | Hélène Boivin | Canada | 1:02.90 | |
| 5 | Susan Sloan | Canada | 1:02.91 | |
| 6 | Linda Hanel | Australia | 1:03.30 | |
| 7 | Lynne Rowe | New Zealand | 1:04.06 | |
| 8 | Kuniko Banno | Japan | 1:04.21 | |
Heat 2
| Rank | Athlete | Country | Time | Notes |
| 1 | Kornelia Ender | East Germany | 1:01.03 | Q, OR |
| 2 | Andrea Pollack | East Germany | 1:01.39 | Q |
| 3 | Wendy Quirk | Canada | 1:01.54 | Q |
| 4 | Rosemarie Kother-Gabriel | East Germany | 1:01.93 | Q |
| 5 | LeLei Fonoimoana | United States | 1:02.23 | Q |
| 6 | María París | Costa Rica | 1:03.27 | |
| 7 | Yasue Hatsuda | Japan | 1:03.33 | |
| 8 | Sue Jenner | Great Britain | 1:04.06 | |

### Final

| Rank | Athlete | Country | Time | Notes |
| | Kornelia Ender | East Germany | 1:00.13 | =WR |
| | Andrea Pollack | East Germany | 1:00.98 | |
| | Wendy Boglioli | United States | 1:01.17 | |
| 4 | Camille Wright | United States | 1:01.41 | |
| 5 | Rosemarie Kother-Gabriel | East Germany | 1:01.56 | |
| 6 | Wendy Quirk | Canada | 1:01.75 | |
| 7 | LeLei Fonoimoana | United States | 1:01.95 | |
| 8 | Tamara Shelofastova | Soviet Union | 1:02.74 | |