| Pilar Campoy | |
| Full Name: | María Pilar Campoy |
| Birth Date: | 6 October 1990 |
| Birth Place: | Vicente López, Argentina |
| Height: | 1.58 m |
| Position: | Midfielder |
| Currentclub: | Sanse Complutense |
| Youthclubs1: | Banco Nación |
| Years1: | –2013 |
| Clubs1: | Banco Nación |
| Years2: | 2013–2015 |
| Clubs2: | Club Náutico Hacoaj |
| Years3: | 2015 |
| Clubs3: | UD Taburiente |
| Years4: | 2015–2016 |
| Clubs4: | Club Náutico Hacoaj |
| Years5: | 2016 |
| Clubs5: | SPV Complutense |
| Years6: | 2017–2019 |
| Clubs6: | Club Náutico Hacoaj |
| Years7: | 2019–2020 |
| Clubs7: | Real Sociedad |
| Years8: | 2020–2021 |
| Clubs8: | Club de Campo |
| Years9: | 2021–Present |
| Clubs9: | Sanse Complutense |
| Nationalteam1: | Argentina |
| Nationalcaps1: | 64 |
| Show-Medals: | no |
María Pilar Campoy (born 6 October 1990) is an Argentine field hockey player and part of the Argentina national team.
She was part of the Argentine team at the 2014–15 Women's FIH Hockey World League where she won a gold medal,[1] and at the 2016 Summer Olympics in Rio de Janeiro.[2] On club level she played for Club Náutico Hacoaj in Argentina.