Sant Boi is a railway station in the municipality of Sant Boi de Llobregat (comarca of Baix Llobregat) in the metropolitan area of Barcelona. It is operated by Ferrocarrils de la Generalitat de Catalunya as part of its Llobregat-Anoia line, and includes a Barcelona Metro service numbered L8, besides regular commuter train lines S33, S4, S8, R5 and R6. Sant Boi station opened in 1912.
| Barcelona Metro Line 8 | |
| Direction Molí Nou-Ciutat Cooperativa |
Direction Barcelona-Plaça Espanya |
| Molí Nou-Ciutat Cooperativa | Cornellà-Riera |