Lowari Tunnel (, Lowari Sarang) is an vehicular tunnel under the Lowari Pass of the Hindu Kush mountains, between Dir and Chitral in Khyber Pakhtunkhwa province of Pakistan. It is operated by the National Highway Authority and carries traffic on the N-45 National Highway, thus bypassing Lowari Pass. Construction was partly completed by June 2017, By late 2018, the tunnel was open to vehicular traffic for at least ten hours per day.