Sardar Inayatullah Khan Gandapur (August 27th 1919 – 29 April 2005) aged 85 was a Pakistani politician from the Khyber-Pakhtunkhwa province of Pakistan. He was born on August 27th 1919 in KulachiTehsil of Dera Ismail Khan District. Elected to the provincial assembly in the 1970 elections, he served as finance minister from 1972-1973 under the coalition government of Mufti Mehmood.
After the resignation of the provincial government in 1973, he defected to the Pakistan Peoples Party. He was the Chief Minister of the province from 29 April 1973 to 16 February 1975.
He was dismissed as Chief Minister unceremoniously following the assassination of Hayat Sherpao.
He died on 29 April 2005, leaving three sons, Sardar Ikram Ullah Khan a politician, Sardar Inam Ullah Khan (Deputy Director of Federal Investigation Agency Islamabad), and Sardar Israr Ullah Khan (Sitting Member of Provincial Assembly).