Guillermo Pereyra
| 
 Guillermo Pereyra  | |||
| Personal information | |||
|---|---|---|---|
| Full name | Guillermo Ariel Pereyra | ||
| Date of birth | 20 February 1980 | ||
| Place of birth | Río Cuarto, Argentina | ||
| Height | 1.83 m (6 ft 0 in) | ||
| Position(s) | Defensive midfielder | ||
| Youth career | |||
| River Plate | |||
| Senior career* | |||
| Years | Team | Apps | (Gls) | 
| 1998–2003 | River Plate | 95 | (10) | 
| 2004–2008 | Mallorca | 121 | (5) | 
| 2008 | Lokomotiv Moscow | 8 | (0) | 
| 2009 | Young Boys | 5 | (0) | 
| 2009–2010 | Murcia | 20 | (1) | 
| 2010–2011 | San Lorenzo | 27 | (2) | 
| Total | 276 | (18) | |
| Managerial career | |||
| 2018–2019 | Deportivo Santamarina | ||
| *Club domestic league appearances and goals | |||
Guillermo Ariel Pereyra (born 20 February 1980) is an Argentine retired footballer who played as a defensive midfielder.
He spent most of his 13-year professional career with River Plate and Mallorca, winning four major titles with the former and appearing in 129 competitive games with the latter.