Swimming at the 1988 Summer Olympics – Women's 100 metre breaststroke
The women's 100 metre breaststroke event at the 1988 Summer Olympics took place on 23 September at the Jamsil Indoor Swimming Pool in Seoul, South Korea.Records
Prior to this competition, the existing world and Olympic records were as follows.
The following records were established during the competition:
| Date | Round | Name | Nationality | Time | Record |
| 23 September | Heat 4 | Tanya Dangalakova | | 1:08.35 | |
| 23 September | Heat 5 | Silke Hörner | | 1:08.35 | |
| 23 September | Final A | Tanya Dangalakova | | 1:07.95 | |
Results
Heats
Rule: The eight fastest swimmers advance to final A, while the next eight to final B.
| Rank | Heat | Name | Nationality | Time | Notes |
| 1 | 4 | Tanya Dangalakova | | 1:08.35 | Q, |
| 1 | 6 | Silke Hörner | | 1:08.35 | Q, |
| 3 | 6 | Allison Higson | | 1:08.39 | Q |
| 4 | 4 | Yelena Volkova | | 1:09.86 | Q |
| 5 | 5 | Antoaneta Frenkeva | | 1:10.09 | Q |
| 6 | 4 | Tracey McFarlane | | 1:10.59 | Q |
| 7 | 5 | Annett Rex | | 1:10.61 | Q |
| 8 | 5 | Huang Xiaomin | | 1:10.78 | Q |
| 9 | 5 | Svetlana Kuzmina | | 1:10.83 | q |
| 10 | 5 | Keltie Duggan | | 1:10.95 | q |
| 11 | 6 | Ingrid Lempereur | | 1:11.00 | q, NR |
| 12 | 6 | Susan Johnson | | 1:11.08 | q |
| 13 | 6 | Gabriella Csépe | | 1:11.10 | q |
| 14 | 5 | Manuela Dalla Valle | | 1:11.25 | q |
| 15 | 6 | Lara Hooiveld | | 1:11.40 | q |
| 16 | 4 | Suki Brownsdon | | 1:11.66 | q |
| 17 | 5 | Linda Moes | | 1:11.84 | |
| 18 | 3 | Park Sung-won | | 1:12.32 | |
| 19 | 6 | Dorota Chylak | | 1:12.38 | |
| 20 | 5 | Margaret Hohmann | | 1:12.67 | |
| 21 | 3 | Brigitte Becue | | 1:12.90 | |
| 22 | 4 | Britta Dahm | | 1:12.98 | |
| 23 | 3 | Ragnheiður Runólfsdóttir | | 1:13.01 | |
| 24 | 4 | Pascaline Louvrier | | 1:13.23 | |
| 25 | 3 | Yoshie Nishioka | | 1:13.36 | |
| 26 | 3 | Virginie Bojaryn | | 1:13.55 | |
| 27 | 4 | Chen Huiling | | 1:13.65 | |
| 28 | 2 | Karen Horning | | 1:14.03 | |
| 29 | 3 | Nancy Kemp-Arendt | | 1:14.99 | |
| 30 | 3 | Patricia Brülhart | | 1:15.00 | |
| 31 | 3 | Kornelia Stawicka | | 1:15.41 | |
| 32 | 2 | Carwai Seto | | 1:15.47 | |
| 33 | 2 | Alicia María Boscatto | | 1:15.67 | |
| 34 | 6 | Hiroko Nagasaki | | 1:15.83 | |
| 35 | 2 | Sigrid Niehaus | | 1:16.65 | |
| 36 | 1 | Montserrat Hidalgo | | 1:18.42 | |
| 37 | 2 | Valentina Aracil | | 1:19.60 | |
| 38 | 2 | Dipika Chanmugam | | 1:20.18 | |
| 39 | 2 | Kimberly Chen | | 1:20.95 | |
| 40 | 1 | Katerine Moreno | | 1:22.52 | |
| 41 | 1 | Ana Martins | | 1:24.01 | |
| 42 | 1 | Nádia Cruz | | 1:24.46 | |
| 2 | Annemarie Munk | | | |
| 4 | Heike Esser | | | |
Finals
Final B
Final A
