| 2015 Under-21 Provincial Championship Group A | |
|---|---|
| Countries | South Africa |
| Date | 10 July – 24 October 2015 |
| Champions | Western Province U21 |
| Runners-up | Free State U21 |
| Relegated | N/A |
| Matches played | 45 |
| Tries scored | 359 (average 8 per match) |
| Top point scorer | Inny Radebe (135) |
| Top try scorer | Daniel Maartens (10) |
The 2015 Under-21 Provincial Championship Group A was contested from 10 July to 24 October 2015. The competition (also known as the ABSA Under-21 Provincial Championship for sponsorship reasons) was the top tier of 2015 edition of the Under-21 Provincial Championship, an annual Under-21 inter-provincial rugby union competition featuring fifteen South African provincial unions.
The competition was won by Western Province U21; they beat Free State U21 52–17 in the final played on 24 October 2015.