| Kızlaç Tunnel Kızlaç Tüneli | |
| Location: | Kızlaç, Bahçe, Osmaniye, Turkey |
| Coordinates: | 37.1703°N 36.6375°W |
| Status: | Operational |
| Operator: | General Directorate of Highways |
| Traffic: | automotive |
| Construction: | Tekfen |
| Length: | 2851and |
| Lanes: | 2 x 3 |
| Speed: | 80km/h |
The Kızlaç Tunnel (Turkish: Kızlaç Tüneli), is a motorway tunnel constructed on the Adana–Şanlıurfa motorway in Osmaniye Province, southern Turkey.
It is situated on the Taurus Mountains near Kızlaç village of Bahçe, Osmaniye. The 2851and-long twin-tube tunnel carrying three lanes of traffic in each direction is flanked by 596--long Ayran Tunnel in the west and 1230--long Aslanlı Tunnel in the east on the same motorway. Dangerous goods carriers are not permitted to use the tunnel.
The tunnel was constructed by Tekfen in New Austrian Tunnelling method (NATM).