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

The women's 100 metre breaststroke event for the 1976 Summer Olympics was held in the Olympic Pool, Montreal. The event took place between 22–24 July 1976.

## Results
### Heats

Heat 1
| Rank | Athlete | Country | Time | Notes |
| 1 | Marina Koshevaya | Soviet Union | 1:14.64 | Q |
| 2 | Annick de Susini | France | 1:15.79 | Q |
| 3 | Dagmar Rehak | West Germany | 1:15.95 | |
| 4 | Ann-Sofi Roos | Sweden | 1:18.61 | |
| 5 | Beatriz Camuñas | Mexico | 1:20.46 | |
Heat 2
| Rank | Athlete | Country | Time | Notes |
| 1 | Robin Corsiglia | Canada | 1:14.14 | Q |
| 2 | Gabriele Askamp | West Germany | 1:14.31 | Q |
| 3T | Anna Skolarczyk | Poland | 1:17.16 | |
| 3T | Anette Fredriksson | Sweden | 1:17.16 | |
| 5 | Kazuyo Inaba | Japan | 1:17.20 | |
| 6 | Nancy Deano | Philippines | 1:20.93 | |
Heat 3
| Rank | Athlete | Country | Time | Notes |
| 1 | Lyubov Rusanova | Soviet Union | 1:14.14 | Q |
| 2 | Lisa Borsholt | Canada | 1:15.05 | Q |
| 3 | Karla Linke | East Germany | 1:15.36 | Q |
| 4 | Karin Deleurand | Denmark | 1:19.06 | |
| 5 | Véronique Brisy | Belgium | 1:19.56 | |
| 6 | Elena Ospitaletche | Uruguay | 1:21.44 | |
Heat 4
| Rank | Athlete | Country | Time | Notes |
| 1 | Maryna Yurchenia | Soviet Union | 1:14.81 | Q |
| 2 | Lauri Siering | United States | 1:15.41 | Q |
| 3 | Iris Corniani | Italy | 1:17.21 | |
| 4 | Marcia Morey | United States | 1:17.30 | |
| 5 | Helen Burnham | Great Britain | 1:17.31 | |
| 6 | Cristina Teixeira | Brazil | 1:17.94 | |
| 7 | Dacyl Pérez | Venezuela | 1:21.39 | |
Heat 5
| Rank | Athlete | Country | Time | Notes |
| 1 | Hannelore Anke | East Germany | 1:11.11 | Q, WR |
| 2 | Maggie Kelly-Hohmann | Great Britain | 1:14.23 | Q |
| 3 | Joann Baker | Canada | 1:15.55 | Q |
| 4 | Toshiko Haruoka | Japan | 1:16.31 | |
| 5 | Renee Laravie | United States | 1:16.76 | |
| 6 | Ilse Schoors | Belgium | 1:18.63 | |
| 7 | Angela López | Puerto Rico | 1:22.95 | |
Key: WR = World record
Heat 6
| Rank | Athlete | Country | Time | Notes |
| 1 | Carola Nitschke | East Germany | 1:13.36 | Q |
| 2 | Wijda Mazereeuw | Netherlands | 1:14.81 | Q |
| 3 | Christine Jarvis | Great Britain | 1:14.94 | Q |
| 4 | Susanne Nielsson | Denmark | 1:15.43 | Q |
| 5 | Maritzka van der Linden | Netherlands | 1:16.76 | |
| 6 | Rossana Juncos | Argentina | 1:21.53 | |
| 7 | Allison Smith | Australia | 1:21.62 | |

### Semifinals

Heat 1
| Rank | Athlete | Country | Time | Notes |
| 1 | Lyubov Rusanova | Soviet Union | 1:13.53 | Q |
| 2 | Carola Nitschke | East Germany | 1:13.73 | Q |
| 3 | Maryna Yurchenia | Soviet Union | 1:13.96 | Q |
| 4 | Karla Linke | East Germany | 1:14.49 | Q |
| 5 | Gabriele Askamp | West Germany | 1:14.50 | Q |
| 6 | Christine Jarvis | Great Britain | 1:14.59 | |
| 7 | Susanne Nielsson | Denmark | 1:15.38 | |
| 8 | Annick de Susini | France | 1:16.30 | |
Heat 2
| Rank | Athlete | Country | Time | Notes |
| 1 | Hannelore Anke | East Germany | 1:10.86 | Q, WR |
| 2 | Marina Koshevaya | Soviet Union | 1:13.20 | Q |
| 3 | Maggie Kelly-Hohmann | Great Britain | 1:13.57 | Q |
| 4 | Robin Corsiglia | Canada | 1:14.56 | |
| 5 | Lauri Siering | United States | 1:14.84 | |
| 6 | Wijda Mazereeuw | Netherlands | 1:14.86 | |
| 7 | Joann Baker | Canada | 1:15.20 | |
| 8 | Lisa Borsholt | Canada | 1:15.41 | |
Key: WR = World record

### Final

| Rank | Athlete | Country | Time |
| | Hannelore Anke | East Germany | 1:11.16 |
| | Lyubov Rusanova | Soviet Union | 1:13.04 |
| | Marina Koshevaya | Soviet Union | 1:13.30 |
| 4 | Carola Nitschke | East Germany | 1:13.33 |
| 5 | Gabriele Askamp | West Germany | 1:14.15 |
| 6 | Maryna Yurchenia | Soviet Union | 1:14.17 |
| 7 | Maggie Kelly-Hohmann | Great Britain | 1:14.20 |
| 8 | Karla Linke | East Germany | 1:14.21 |