| Santiago Pérez | |
| Fullname: | Santiago Martín Pérez Casal |
| Birth Date: | 8 November 1998 |
| Birth Place: | Montevideo, Uruguay |
| Height: | 1.76 m |
| Currentclub: | Villa Española |
| Clubnumber: | 6 |
| Position: | Left-back |
| Youthclubs1: | River Plate |
| Years1: | 2018–2022 |
| Clubs1: | River Plate |
| Caps1: | 27 |
| Goals1: | 0 |
| Years2: | 2018 |
| Clubs2: | → Albion (loan) |
| Caps2: | 2 |
| Goals2: | 0 |
| Years3: | 2022- |
| Clubs3: | Villa Española |
| Caps3: | 0 |
| Goals3: | 0 |
| Nationalyears1: | 2015 |
| Nationalteam1: | Uruguay U17 |
| Nationalcaps1: | 4 |
| Nationalgoals1: | 0 |
| Club-Update: | 24 February 2019 |
| Nationalteam-Update: | 24 February 2019 |
Santiago Martín Pérez Casal (born 8 November 1998) is a Uruguayan footballer who plays as a defender for Villa Española.[1]