Boztepe Tunnel (Turkish: Boztepe Tüneli), is a highway tunnel constructed in Ordu Province, northern Turkey. Boztepe Tunnel is part of the Samsun-Ordu Highway D.010 E 70 within the , of which construction was carried out by the Turkish Nurol-Yüksel-Özka–YDA joint venture. The 3,313 and 3,308 m (10,869 and 10,853 ft)-long twin-tube tunnel carrying two lanes of traffic in each direction is flanked by 310–314 m (1,017–1,030 ft)-long Asarkayası Tunnel in the west and 2,004–2,034 m (6,575–6,673 ft)-long in the east on the same highway.