Estádio Alfredo de Castilho
Alfredão  | |
| Full name | Estádio Doutor Alfredo de Castilho | 
|---|---|
| Former names | Estádio Ubaldo de Medeiros (1960) | 
| Location | Bauru, SP, Brazil | 
| Coordinates | 22°19′26.56″S 49°5′51.49″W / 22.3240444°S 49.0976361°W | 
| Owner | Noroeste | 
| Operator | Noroeste | 
| Capacity | 18,866 | 
| Record attendance | 23,640 (Noroeste 1–2 Palmeiras, 15 September 1974) | 
| Field size | 105 by 70 metres (114.8 yd × 76.6 yd) | 
| Surface | Natural grass | 
| Construction | |
| Built | 1959–1960 | 
| Opened | 5 June 1960 | 
| Renovated | 1966 | 
| Tenants | |
| Noroeste | |
Estádio Alfredo de Castilho, known as Alfredo de Castilho or Alfredão, is a multi-use stadium in Bauru, São Paulo, Brazil. It is used mostly for football matches, and has a maximum capacity of 18,866 people.