Buner District (Pashto: د بونیر ولسوالی) (pronounced: Boonair) is a district of the Khyber Pakhtunkhwa province of Pakistan.
The Buner Valley lies on the Mardan District and Sawabai border of the Khyber Pakhtunkhwa. It is a small mountain valley, dotted with villages and divided into seven sub-divisions. The Mora Hills and the Ilam range divide it from the Swat Valley, the Sinawar range from Yusafzai, the Guru mountains from the Chamla valley, and the Duma range from the Puran Valley. Until the year 2000 it was a part of Malakand Division - until this division was abolished.
The district is divided into tehsils. The district headquarter is Daggar.
The district has three constituencies in the Provincial Assembly of Khyber Pakhtunkhwa.
Buner contains a village named Pir Baba near the mountains Elum Ghar and Dua Saray Ghar. Kinger Gali is the last border of district Buner which shares borders with Mardan and Malakand Agency. On the border of Buner with Mardan is the village of Ambela. Karapa is the central village of district Buner. It is situated between Swari which is the biggest Bazar of District Buner and Daggar tehsil which is the headquarters of Buner. Sarmalangbaba is just 14 miles from Swari and Daggar and bordering with Mardan District. The present government of ANP is building a new road through Sarmalangbaba which will be the shortest route between Swari and Mardan.