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
This disambiguation page lists articles associated with the title Lopper Tunnel.
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