| Matías Biscay | |
| Birth Date: | 5 March 1974 |
| Birth Place: | San Fernando, Argentina |
| Position: | Defender Midfielder |
| Currentclub: | Al-Ittihad (first-team coach) |
| Youthclubs1: | River Plate |
| Years1: | 1995–1996 |
| Clubs1: | River Plate |
| Caps1: | 5 |
| Goals1: | 0 |
| Years2: | 1996–1998 |
| Clubs2: | Huracán |
| Caps2: | 40 |
| Goals2: | 7 |
| Years3: | 1998–1999 |
| Clubs3: | Lugano |
| Caps3: | 7 |
| Goals3: | 0 |
| Years4: | 1999–2001 |
| Clubs4: | Compostela |
| Caps4: | 44 |
| Goals4: | 1 |
| Totalcaps: | 96 |
| Totalgoals: | 8 |
Matías Biscay (born 5 March 1974) is a former Argentinian footballer currently first-team coach of Al-Ittihad.
Biscay began his career at River Plate, playing five Primera División games and winning the 1996 Copa Libertadores, before moving to fellow Buenos Aires-based club Huracán. Biscay's stay at Huracán lasted two seasons, playing 40 times in the Primera División, scoring seven.[1]
In 1998, Biscay moved to Europe to play for Swiss club Lugano, making seven league appearances for Lugano.[2] In 1999, Biscay signed for Spanish club Compostela, playing 44 times in the Segunda División, scoring once.[3] Biscay retired at the age of 28, following legal issues with Compostela.[4]
In 2011, Biscay was appointed assistant manager of Uruguayan club Nacional.[3]
In 2014, Biscay moved to former club River Plate, taking up the role of assistant manager.[3] In 2018, following the suspension of manager Marcelo Gallardo, Biscay filled in as River Plate manager in the 2018 Copa Libertadores Finals against rivals Boca Juniors.[5]