| Asarkayası Tunnel Asarkayası Tüneli | |
| Location: | Perşembe, Ordu Province |
| Coordinates: | 40.9858°N 37.78°W |
| Status: | Operational |
| Startwork: | 1997 |
| Operator: | General Directorate of Highways |
| Traffic: | automotive |
| Construction: | Nurol-Tekfen-Yüksel joint venture |
| Length: | 310and |
| Lanes: | 2 x 2 |
| Speed: | 80km/h |
Asarkayası Tunnel (Turkish: Asarkayası Tüneli), is a highway tunnel constructed in Ordu Province, northern Turkey.
Asarkayası Tunnel is part of the Samsun-Ordu Highway within the Black Sea Coastal Highway, of which construction was carried out by the Turkish Nurol-Tekfen-Yüksel joint venture. The 310and-long twin-tube tunnel carrying two lanes of traffic in each direction is flanked by 3805--long Ordu Nefise Akçelik Tunnel in the west and 3313--long Boztepe Tunnel in the east on the same highway.
The tunnel was opened to traffic on April 7, 2007 by Turkish Prime Minister Recep Tayyip Erdoğan. Dangerous goods carriers are not permitted to use the tunnel.
