2017 World Youth Championships in Athletics – Girls' 100 metres
The Girls' 100 metres at the 2017 World Youth Championships in Athletics was held on 12-13 July.
Medalists
Records
Prior to the competition, the following records were as follows.| World Youth Best | 10.98 | Shoreline, WA, United States | 20 June 2015 | |
| Championship Record | 11.08 | Cali, Colombia | 16 July 2015 | |
| World Youth Leading | 11.24 | Kingston, Jamaica | 23 June 2017 |
Heats
Qualification rule: first 3 of each heat and the next 4 fastest qualified.| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 1 | Erica Mouwangui | ||||
| 1 | 2 | Gal Kadmon | ||||
| 1 | 3 | Yelena Pekhtireva | ||||
| 1 | 4 | Beauty Somuah | ||||
| 1 | 5 | Suwilanji Theresa Mpondela | ||||
| 1 | 6 | Rose Xeyi | ||||
| 1 | 7 | Jordanie Ngrekoudou | ||||
| 1 | 8 | Melike Malkoç | ||||
| 2 | 1 | Agate de Sousa | ||||
| 2 | 2 | Gayane Chiloyan | ||||
| 2 | 3 | Guillermina Cossio | ||||
| 2 | 4 | Beatrice Onyango | ||||
| 2 | 5 | Katherine Chillambo | ||||
| 2 | 6 | Lorraine Martins | ||||
| 2 | 7 | Chan Pui Kei | ||||
| 2 | 8 | Tami Šcancar | ||||
| 3 | 1 | Nancy Saah | ||||
| 3 | 2 | Joviale Mbisha | ||||
| 3 | 3 | Magdalena Stefanowicz | ||||
| 3 | 4 | Faith Morris | ||||
| 3 | 5 | Mizgin Ay | ||||
| 3 | 6 | Jeany Nuraini Amelia Agreta | ||||
| 3 | 7 | Martha Méndez | ||||
| 3 | 8 | Iza Obal | ||||
| 4 | 1 | Jana Mitovska | ||||
| 4 | 2 | Rosemary Chukwuma | ||||
| 4 | 3 | Akouvi Judith Koumedzina | ||||
| 4 | 4 | Marie Ann-Loa Leopold | ||||
| 4 | 5 | Gong Luying | ||||
| 4 | 6 | Sade Amore de Sousa | ||||
| 4 | 7 | Kevona Davis | ||||
| 4 | 8 | Scarle Reyes |