| Stadium Name: | Estadio Luis Valenzuela Hermosilla |
| Nickname: | Estadio Luis Valenzuela Hermosilla |
| Fullname: | Estadio Luis Valenzuela Hermosilla |
| Location: | Copiapó, Chile |
| Opened: | 1960 |
| Renovated: | 2009-2011 |
| Tenants: | Regional Atacama (1979-1997) Club de Deportes Copiapó (1998-present) |
| Seating Capacity: | 8,000[1] |
Estadio Luis Valenzuela Hermosilla is a multi-use stadium in Copiapó, Chile. It is currently used mostly for football matches and is the home ground of Club de Deportes Copiapó of the Chilean Primera División B. It also hosted Regional Atacama of the Chilean Primera División. The stadium has a capacity of 8,000 spectators.