2017 Barcelona Open Banco Sabadell – Singles
| Singles | |
|---|---|
| 2017 Barcelona Open Banco Sabadell | |
| Champion | Rafael Nadal |
| Runner-up | Dominic Thiem |
| Score | 6–4, 6–1 |
| Draw | 48 (6 Q / 5 WC ) |
| Seeds | 16 |
Defending champion Rafael Nadal defeated Dominic Thiem in the final, 6–4, 6–1 to win the singles tennis title at the 2017 Barcelona Open. It was his record-extending tenth Barcelona Open title.