| Juan Mercier | |
| Fullname: | Juan Ignacio Mercier[1] |
| Height: | 1.81 m |
| Birth Date: | 2 February 1980 |
| Birth Place: | Campana, Argentina |
| Position: | Attacking midfielder, Striker |
| Youthclubs1: | Flandria |
| Years1: | 2000–2002 |
| Clubs1: | Flandria |
| Caps1: | 57 |
| Goals1: | 5 |
| Years2: | 2002–2004 |
| Clubs2: | Deportivo Morón |
| Caps2: | 78 |
| Goals2: | 4 |
| Years3: | 2004–2005 |
| Clubs3: | Tristán Suárez |
| Caps3: | 38 |
| Goals3: | 3 |
| Years4: | 2005–2007 |
| Clubs4: | Platense |
| Caps4: | 73 |
| Goals4: | 6 |
| Years5: | 2007–2011 |
| Clubs5: | Argentinos Juniors |
| Caps5: | 120 |
| Goals5: | 5 |
| Years6: | 2011–2012 |
| Clubs6: | Al Nassr |
| Caps6: | 10 |
| Goals6: | 0 |
| Years7: | 2012 |
| Clubs7: | Al Wasl |
| Caps7: | 9 |
| Goals7: | 0 |
| Years8: | 2012–2018 |
| Clubs8: | San Lorenzo |
| Caps8: | 102 |
| Goals8: | 1 |
| Years9: | 2018–2019 |
| Clubs9: | Atlético Tucumán |
| Caps9: | 22 |
| Goals9: | 0 |
| Years10: | 2019–2020 |
| Clubs10: | San Martín Tucumán |
| Caps10: | 20 |
| Goals10: | 0 |
| Years11: | 2020–2021 |
| Clubs11: | Mitre |
| Caps11: | 2 |
| Goals11: | 0 |
| Years12: | 2021 |
| Clubs12: | Sacachispas |
| Caps12: | 11 |
| Goals12: | 0 |
| Years13: | 2021 |
| Clubs13: | FADEP |
| Years14: | 2022 |
| Clubs14: | Fénix de Pilar |
| Caps14: | 10 |
| Goals14: | 0 |
| Nationalyears1: | 2010 |
| Nationalteam1: | Argentina |
| Nationalcaps1: | 3 |
| Nationalgoals1: | 0 |
Juan Ignacio Mercier (born 2 February 1980) is a retired Argentine footballer, who played as a midfielder.
Mercier started his playing career in the lower leagues of Argentine football in 2000. He played for four clubs in the regionalised 3rd division, eventually helping Platense to win promotion to Primera B Nacional in 2006.
Mercier joined Argentinos Juniors in 2007, making top flight his debut on August 7, 2007, against San Martín de San Juan. He was an important member of the Argentinos Juniors team that won the Clausura 2010 championship. He played in 18 of the club's 19 games during their championship winning campaign. Mercier scored the opening goal in Argentinos' 2–1 win against Huracán in the final game of the season that secured the championship.On 18 July 2011 he signed a two-year contract with the Saudi club.
On 2 July 2019 San Martín Tucumán announced, that they had signed Mercier.[2]
Mercier made his international debut for the Argentina national team on 26 January 2010 in a 3–2 win in a friendly match against Costa Rica. His second appearance was in a 2–1 win against Jamaica on 10 February 2010.
2005–06
2010 Clausura
2013 Inicial