| Tuttlingen–Hattingen | |
| Stations: | 1 |
| Linelength Km: | 8.5 |
| Tracks: | 1 |
| Routenumber: | 740 |
| Linenumber: | 4661 |
| Electrification: | 15 kV/16.7 Hz AC overhead catenary |
The Tuttlingen–Hattingen railway line, also called the Hattingen curve, is a railway line Baden-Württemberg, Germany. It runs from to, creating a north–south line that bypasses to the west. The line forms part of the Gäubahn between and .
In addition to freight traffic, the Hattingen curve hosts regular Intercity trains between and points south, including,, and .[1]