| Omar Pérez | |
| Fullname: | Omar Sebastián Pérez Marcos |
| Height: | 1.80 m |
| Birth Date: | 29 March 1981 |
| Birth Place: | Santiago del Estero, Argentina |
| Position: | Attacking midfielder |
| Years1: | 2000–2003 |
| Years2: | 2003–2004 |
| Years3: | 2004–2005 |
| Years4: | 2005 |
| Years5: | 2006–2007 |
| Years6: | 2007 |
| Years7: | 2008 |
| Years8: | 2009–2017 |
| Years9: | 2018 |
| Years10: | 2019 |
| Clubs1: | Boca Juniors |
| Clubs2: | Banfield |
| Clubs3: | Junior |
| Clubs4: | Jaguares |
| Clubs5: | Junior |
| Clubs6: | Real Cartagena |
| Clubs7: | Medellín |
| Clubs8: | Santa Fe |
| Clubs9: | Patriotas Boyacá |
| Clubs10: | Santa Fe |
| Caps1: | 63 |
| Caps2: | 21 |
| Caps3: | 33 |
| Caps4: | 3 |
| Caps5: | 29 |
| Caps6: | 14 |
| Caps7: | 38 |
| Caps8: | 264 |
| Caps9: | 31 |
| Caps10: | 6 |
| Goals1: | 6 |
| Goals2: | 2 |
| Goals3: | 10 |
| Goals4: | 0 |
| Goals5: | 5 |
| Goals6: | 1 |
| Goals7: | 10 |
| Goals8: | 59 |
| Goals9: | 3 |
| Goals10: | 0 |
Omar Sebastián Pérez Marcos (born 29 March 1981 in Santiago del Estero) is an Argentine retired footballer who played as a midfielder.
Peréz began his playing career with Boca Juniors in 2000, during his time with the club he was part of several championship winning squads. Between 2000 and 2003 the club won three Copa Libertadores, 2 Copa Intercontinental and an Argentine league championship.
In 2003 Peréz joined Banfield where he played until 2004.
In 2004 Peréz moved to Colombian side Junior where he played until 2007, with a short loan spell with Jaguares of Mexico in 2005. He was part of the championship winning team of Apertura 2004.
Since 2007 he has played for Real Cartagena, Independiente Medellín and Club Santa Fe of Colombia.
| Club performance | League | Cup[1] | Continental | Total | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Season | Club | League | Apps | Goals | Apps | Goals | Apps | Goals | Apps | Goals |
| Argentina | League | Cup | South America | Total | ||||||
| 2000 | Boca Juniors | Argentine Primera División | 0 | 0 | – | 1 | 0 | 1 | 0 | |
| 2001 | 8 | 0 | – | 7 | 1 | 15 | 1 | |||
| 2002 | 10 | 0 | – | 10 | 0 | |||||
| 2002 | 1 | 0 | – | 9 | 0 | 10 | 0 | |||
| 2003 | 2 | 0 | – | 2 | 0 | |||||
| 2003 | Banfield | 14 | 0 | – | 14 | 0 | ||||
| 2004 | 7 | 2 | – | 7 | 2 | |||||
| Colombia | League | Cup | South America | Total | ||||||
| 2004 | Junior | Categoría Primera A | – | 3 | 1 | 3 | 1 | |||
| 2005 | – | 10 | 3 | 10 | 3 | |||||
| Mexico | League | Cup | North America | Total | ||||||
| 2005 | Jaguares de Chiapas | Liga MX | 3 | 0 | – | 3 | 0 | |||
| Colombia | League | Cup | South America | Total | ||||||
| 2008 | Medellín | Categoría Primera A | 38 | 12 | – | 38 | 12 | |||
| 2009 | Santa Fe | 31 | 12 | – | 2 | 0 | 33 | 12 | ||
| 2010 | 29 | 9 | – | 5 | 0 | 34 | 9 | |||
| 2011 | 22 | 4 | 2 | 0 | 8 | 4 | 32 | 8 | ||
| 2012 | 36 | 12 | 3 | 0 | 0 | 0 | 39 | 12 | ||
| 2013 | 37 | 10 | 4 | 0 | 12 | 3 | 53 | 13 | ||
| 2014 | 33 | 8 | 7 | 0 | 7 | 4 | 47 | 12 | ||
| 2015 | 21 | 1 | 7 | 1 | 15 | 2 | 43 | 4 | ||
| 2016 | 12 | 1 | 0 | 0 | 5 | 0 | 17 | 1 | ||
| Total | Argentina | 42 | 2 | 0 | 0 | 16 | 1 | 59 | 3 | |
| Colombia | 259 | 69 | 23 | 1 | 67 | 17 | 349 | 87 | ||
| Mexico | 3 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | ||
| Career total | 304 | 71 | 23 | 1 | 83 | 18 | 410 | 90 | ||