1990 World Junior Championships in Athletics – Women's 100 metres
The women's 100 metres event at the 1990 World Junior Championships in Athletics was held in Plovdiv, Bulgaria, at Deveti Septemvri Stadium on 8 and 9 August.Medalists
Results
Final
9 August
Wind: +0.9m/s
| Rank | Name | Nationality | Time | Notes |
| Andrea Philipp | GDR | 11.36 | |
| Nikole Mitchell | JAM | 11.47 | |
| Lucrécia Jardim | POR | 11.52 | |
| 4 | Zundra Feagin | USA | 11.55 | |
| 5 | Merlene Frazer | JAM | 11.64 | |
| 6 | Diane Smith | UK | 11.70 | |
| 6 | Katja Seidel | FRG | 11.70 | |
| 8 | Katharine Merry | UK | 11.71 | |
Semifinals
9 AugustSemifinal 1
Wind: -1.3m/s
| Rank | Name | Nationality | Time | Notes |
| 1 | Zundra Feagin | USA | 11.69 | Q |
| 2 | Katharine Merry | UK | 11.81 | Q |
| 3 | Cathy Freeman | AUS | 11.87 | |
| 4 | Sanna Hernesniemi | FIN | 11.96 | |
| 5 | Briar Toop | NZL | 11.97 | |
| 6 | Victoria Ljungberg | SWE | 12.04 | |
| 7 | Yelena Dubtsova | URS | 12.10 | |
| Bernice Ferreira | | DNS | |
Semifinal 2
Wind: +1.1m/s
| Rank | Name | Nationality | Time | Notes |
| 1 | Lucrécia Jardim | POR | 11.59 | Q |
| 2 | Merlene Frazer | JAM | 11.73 | Q |
| 3 | Monique Bogaards | NED | 11.78 | |
| 4 | Tisha Prather | USA | 11.79 | |
| 5 | Annie Claude Lafontaine | FRA | 11.81 | |
| 6 | Nadine Halliday | CAN | 11.92 | |
| 7 | Melinda Gainsford | AUS | 11.93 | |
| 8 | Petya Pendareva | | 12.04 | |
Semifinal 3
Wind: +1.0m/s
| Rank | Name | Nationality | Time | Notes |
| 1 | Andrea Philipp | GDR | 11.36 | Q |
| 2 | Nikole Mitchell | JAM | 11.37 | Q |
| 3 | Katja Seidel | FRG | 11.56 | q |
| 4 | Diane Smith | UK | 11.61 | q |
| 5 | Chandra Sturrup | BAH | 11.62 | |
| 6 | Carla Popa | ROU | 11.80 | |
| 7 | Yelena Fyodorovich | URS | 11.81 | |
| 8 | Gabriella Szabó | HUN | 11.88 | |
Heats
8 AugustHeat 1
Wind: -0.1m/s
| Rank | Name | Nationality | Time | Notes |
| 1 | Zundra Feagin | USA | 11.59 | Q |
| 2 | Nikole Mitchell | JAM | 11.61 | Q |
| 3 | Katharine Merry | UK | 11.71 | Q |
| 4 | Annie Claude Lafontaine | FRA | 11.85 | q |
| 5 | Melinda Gainsford | AUS | 11.87 | q |
| 6 | Georgia Paspalli | | 12.22 | |
| 7 | Deirdre Caruana | MLT | 13.08 | |
Heat 2
Wind: -0.5m/s
| Rank | Name | Nationality | Time | Notes |
| 1 | Tisha Prather | USA | 11.76 | Q |
| 2 | Monique Bogaards | NED | 11.80 | Q |
| 3 | Cathy Freeman | AUS | 11.81 | Q |
| 4 | Gabriella Szabó | HUN | 11.96 | q |
| 5 | Petya Pendareva | | 12.02 | q |
| 6 | Sandrine Hennart | BEL | 12.18 | |
| 7 | Stalo Konstantinou | | 12.29 | |
| 8 | Nadine Benoit | MRI | 12.40 | |
Heat 3
Wind: -0.4m/s
| Rank | Name | Nationality | Time | Notes |
| 1 | Merlene Frazer | JAM | 11.66 | Q |
| 2 | Sanna Hernesniemi | FIN | 11.77 | Q |
| 3 | Carla Popa | ROU | 11.89 | Q |
| 4 | Yelena Fyodorovich | URS | 11.91 | q |
| 5 | Denisse Sharpe | ARG | 12.27 | |
| 6 | Ute Dallner | AUT | 12.28 | |
| 7 | Rosanna Browne | AIA | 12.46 | |
Heat 4
Wind: -1.3m/s
| Rank | Name | Nationality | Time | Notes |
| 1 | Lucrécia Jardim | POR | 11.60 | Q |
| 2 | Andrea Philipp | GDR | 11.61 | Q |
| 3 | Katja Seidel | FRG | 11.77 | Q |
| 4 | Chandra Sturrup | BAH | 11.79 | q |
| 5 | Katarzyna Zakrzewska | POL | 12.33 | |
| 6 | Begoña Yúdice | ESP | 12.33 | |
| 7 | Dagmar Hölbl | AUT | 12.58 | |
Heat 5
Wind: -0.2m/s
| Rank | Name | Nationality | Time | Notes |
| 1 | Diane Smith | UK | 11.80 | Q |
| 2 | Briar Toop | NZL | 11.84 | Q |
| 3 | Nadine Halliday | CAN | 11.88 | Q |
| 4 | Yelena Dubtsova | URS | 11.90 | q |
| 5 | Victoria Ljungberg | SWE | 11.91 | q |
| 6 | Bernice Ferreira | | 12.04 | q |
| 7 | Gaby Baumann | FRG | 12.12 | |
| 8 | Alicia Valentin | ESP | 12.28 | |
Participation
According to an unofficial count, 37 athletes from 28 countries participated in the event.
