Asarkayası Tunnel (Turkish: Asarkayası Tüneli), is a highway tunnel constructed in Ordu Province, northern Turkey. Asarkayası Tunnel is part of the Samsun-Ordu Highway D.010 E 70 within the , of which construction was carried out by the Turkish Nurol-Tekfen-Yüksel joint venture. The 310 and 314 m (1,017 and 1,030 ft)-long twin-tube tunnel carrying two lanes of traffic in each direction is flanked by 3,805–3,825 m (12,484–12,549 ft)-long Ordu Nefise Akçelik Tunnel in the west and 3,313–3,308 m (10,869–10,853 ft)-long Boztepe Tunnel in the east on the same highway.