Lopper Tunnel

Lopper Tunnel may refer to:


 * Lopper I Rail Tunnel, a Swiss rail tunnel connecting Hergiswil with Alpnach as part of the Brünig line
 * Lopper II Rail Tunnel, a Swiss rail tunnel connecting Hergiswil with Stans as part of the Luzern–Stans–Engelberg line
 * Lopper Road Tunnel, a Swiss road tunnel connecting Hergiswil with Alpnach as part of the A8 motorway