| Környe–Oroszlány | |
| Image Alt: | Route map of railways in Hungary showing the Környe–Oroszlány railway line |
| Stations: | 3 |
| Linelength Km: | 7.1 |
| Linenumber: | 12 |
| Map State: | uncollapsed |
The Környe–Oroszlány railway line is a railway line in Hungary. It runs between Környe and Oroszlány, in Komárom-Esztergom County. The line connects with the Tatabánya–Pápa railway line at Környe and handles passenger trains between Tatabánya and Oroszlány. Hungarian State Railways owns and operates the line.
The Környe–Oroszlány railway line diverges from the Tatabánya–Pápa railway line west of and runs south to .
Hungarian State Railways operates the S12 service as part of Budapest's suburban network. The S12 runs hourly between Oroszlány and, with connecting service to and from Budapest Déli station.[1]