| 2019 BWF World Junior Championships Girls' Singles | |
| Dates: | – |
| Number Edition: | 21st |
| Level: | 1 |
| Venue: | Kazan Gymnastics Center |
| Location: | Kazan, Russia |
| Previous: | 2018 |
| Next: | 2022 Santander |
The girls' singles of the tournament 2019 BWF World Junior Championships held from 7 to 13 October 2019.[1] Goh Jin Wei from Malaysia was the champion in the last edition.[2]
See also: 1 and 1. 
Phittayaporn Chaiwan (semifinals)
See also: 2 and 8. 
Zhou Meng (final)
See also: 3 and 6. Benyapa Aimsaard (fourth round)
See also: 4 and 3. Putri Kusuma Wardani (quarterfinals)
See also: 5 and 2. Han Qianxi (fourth round)
See also: 6 and 7. 
Vivien Sandorhazi (fourth round)
See also: 7 and 4. 
Riko Gunji (champion)
See also: 8 and 5. Yasnita Enggira Setiawan (fourth round)
See also: 9 and 1. 
Anastasiia Shapovalova (fourth round)
See also: 10 and 2. 
Talia Ng (third round)
See also: 11 and 5. Dai Wang (semifinals)
See also: 12 and 6. Hung En-tzu (quarterfinals)
See also: 13 and 3. Atitaya Povanon (third round)
See also: 14 and 7. Stephanie Widjaja (quarterfinals)
See also: 15 and 4. 
Clara Lassaux (first round)
See also: 16 and 8. Milena Schnider (first round)