| 2021 Biella Challenger VII | |
|---|---|
| Date | 31 May – 6 June 2021 |
| Edition | 16th |
| Surface | Clay |
| Location | Biella, Italy |
| Champions | |
| Singles | |
| | |
| Doubles | |
| | |
The 2021 Biella Challenger VII was a professional tennis tournament played on outdoor red clay courts. It was part of the 2021 ATP Challenger Tour. It took in Biella, Italy between 31 May and 6 June 2021.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| Juan Pablo Varillas | 130 | 1 | |
| Nikola Milojević | 140 | 2 | |
| Daniel Altmaier | 145 | 3 | |
| Danilo Petrović | 165 | 4 | |
| Frederico Ferreira Silva | 168 | 5 | |
| Kacper Żuk | 173 | 6 | |
| Martin Kližan | 176 | 7 | |
| Lorenzo Giustino | 178 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry into the singles main draw as special exempts:
The following players received entry from the qualifying draw: