| Stadium Name: | Castrén |
| Location: | Oulu, Finland |
| Coordinates: | 65.0303°N 25.495°W |
| Owner: | City of Oulu |
| Seating Capacity: | 4 000 |
| Dimensions: | 110 × 78 m[1] |
Castrén is a football stadium in the Välivainio neighbourhood of Oulu, Finland. The stadium holds 4 000 spectators. It is the home ground of sports clubs Oulun Luistinseura, JS Hercules and Oulun Palloseura.