2021 WTA 125 tournaments
| Details | |
|---|---|
| Duration | 3 May – 26 December 2021 |
| Edition | 10th |
| Tournaments | 15 |
| Achievements (singles) | |
| Most titles | Nuria Párrizas Díaz (2) |
| Most finals | Jasmine Paolini Nuria Párrizas Díaz Diane Parry Arantxa Rus (2) |
← 2020 2022 → | |
The WTA 125 tournaments are the secondary professional tennis circuit organised by the Women's Tennis Association. The 2021 calendar consisted of fifteen tournaments due to the impacts of the COVID-19 pandemic.