FIS Freestyle Ski and Snowboarding World Championships 2017 – Women's big air
The women's snowboard big air competition of the FIS Freestyle Ski and Snowboarding World Championships 2017 was held at Sierra Nevada, Spain on March 16 and March 17.
37 athletes from 21 countries competed.Qualification
The following are the results of the qualification.Heat 1
Heat 2
Semi-final
The following are the results of the semi-final.
| Rank | Bib | Name | Country | Run 1 | Run 2 | Best | Notes |
| 1 | 9 | Jessika Jenson | | 82.00 | 24.75 | 82.00 | Q |
| 2 | 10 | Zoi Sadowski-Synnott | | 23.00 | 69.00 | 69.00 | Q |
| 3 | 3 | Cheryl Maas | | 29.75 | 55.25 | 55.25 | |
| 4 | 35 | Antonia Yañez | | 32.50 | 29.50 | 32.50 | |
| 5 | 24 | Kjersti Buaas | | 22.50 | 28.50 | 28.50 | |
| 6 | 17 | Queralt Castellet | | 19.00 | 16.25 | 19.00 | |
Final
The following are the results of the finals.
| Rank | Bib | Name | Country | Run 1 | Run 2 | Run 3 | 2 Best |
| 1 | Anna Gasser | | 89.50 | JNS | 100.00 | 189.50 |
| 2 | Enni Rukajärvi | | 79.50 | 85.75 | JNS | 165.25 |
| 13 | Silje Norendal | | 85.25 | 77.50 | JNS | 162.75 |
| 10 | Zoi Sadowski-Synnott | | 75.00 | JNS | 75.25 | 150.25 |
| 9 | Jessika Jenson | | 65.00 | 78.00 | JNS | 143.00 |
| 11 | Laurie Blouin | | JNS | 92.00 | 28.00 | 120.00 |
