Estadio Ingeniero Hilario Sánchez
| Estadio Hilario Sánchez | |
| Full name | Estadio Ingeniero Hilario Sánchez | 
|---|---|
| Former names | Estadio 27 de Septiembre (1995–2006)  | 
| Address | Mendoza 1100 San Juan Argentina  | 
| Owner | C.A. San Martín | 
| Capacity | 26,500 | 
| Field size | 105 x 75 m | 
| Surface | Grass | 
| Construction | |
| Opened | 9 September 1951 | 
| Renovated | 2007 | 
| Tenants | |
| San Martín | |
Estadio Ingeniero Hilario Sánchez is a football stadium in the city of San Juan in Argentina. It is owned and operated by C.A. San Martín. With a capacity of 26,500 spectators, it is the second biggest stadium in San Juan Province after Estadio del Bicentenario.
The stadium was named after engineer Hilario Sánchez Rodríguez (1925–1987), former goalkeeper and then president of San Martín (1971–1983), regarded as one of the most prominent executives of the club.