| Zigana Tunnel Zigana Tüneli | |
| Location: | Zigana Pass, Torul, Gümüşhane-Maçka, Trabzon, Turkey |
| Coordinates: | 40.65°N 39.3963°W |
| Status: | In service |
| Startwork: | April 14, 2016 |
| Opens: | May 4, 2023 |
| Owner: | General Directorate of Highways |
| Traffic: | automotive |
| Character: | Twin-tube tunnel |
| Length: | 14481m (47,510feet) |
Zigana Tunnel (Turkish: Zigana Tüneli) is a road tunnel in the Black Sea Region of Turkey. Located on the provincial border of Gümüşhane and Trabzon, the tunnel carries routes between Torul, Gümüşhane in the south and Maçka, Trabzon in the north.
Situated near Mount Zigana in the Pontic Mountains, the new twin tube tunnel is country's longest tunnel with a length of 14481m (47,510feet).
It is built to bypass the 2032m (6,667feet) Zigana Pass and the current Zigana Tunnel. It shorten the route by about 8km (05miles) and reduce the travel time by twenty minutes.