Khyber District is a district in the Peshawar Division of the Khyber Pakhtunkhwa province of Pakistan. Until 2018, it was an agency of the erstwhile Federally Administered Tribal Areas. With the merger of FATA with Khyber Pakhtunkhwa in 2018, it became a district. It ranges from the Tirah valley down to Peshawar. It borders Nangarhar Province to the west, Orakzai District to the south, Kurram District to southwest, Peshawar to the east and Mohmand District to the north.

The Federally Administered Tribal Areas, commonly known as FATA, was a semi-autonomous tribal region in north-western Pakistan that existed from 1947 until being merged with the neighbouring province of Khyber Pakhtunkhwa in 2018 through the Twenty-fifth amendment to the constitution of Pakistan. It consisted of seven tribal agencies (districts) and six frontier regions, and were directly governed by the federal government through a special set of laws called the Frontier Crimes Regulations.