| 1 | A | B | C | D | E | F |
| --- | --- | --- | --- | --- | --- | --- |
| 2 | List of UFC champions - Women's Strawweight Championship |  |  |  |  |  |
| 3 | No. | Name | Event | Date | Reign | Defenses |
| 4 | 1 | Carla Esparza | The Ultimate Fighter 20 Finale Las Vegas, NV, US | Dec 12, 2014 | 92 days | - |
| 5 | 2 | Joanna Jędrzejczyk | UFC 185 Dallas, TX, US | Mar 14, 2015 | 966 days | 1. def. |
| 6 | 3 | Rose Namajunas | UFC 217 New York City, NY, US | Nov 4, 2017 | 529 days (incumbent) | 1. def. Joanna Jędrzejczyk at UFC 223 on Apr 7, 2018 |

Question: Who has the longest title reign for the UFC Women's Strawweight Championship?
Answer: Joanna Jędrzejczyk holds the longest title reign of 966 days.