| Term Start: | 1 July 1970 |
| Term End: | 31 March 1972 |
| Predecessor: | S.M Yusuf |
| Successor: | Iftikhar Ali |
| Office1: | Pakistan Ambassador to the United States |
| Term Start1: | 15 May 1972 |
| Term End1: | 8 December 1973 |
| Predecessor1: | N.A.M Raza |
| Birth Date: | 19 February 1919 |
| Birth Place: | Jaora, Undivided India |
| Occupation: | Civil servant Foreign service officer |
| Spouse: | Abeda Sultan Khan |
| Children: | 4 |
| Alma Mater: | Ewing Christian College |
| Nationality: | Pakistani |
| President: | Yahya Khan Zulfikar Ali Bhutto |
| President1: | Zulfikar Ali Bhutto |
Sultan Mohammed Khan (19 February 1919 – 8 November 2010) was a Pakistani civil servant and British India Army officer who served as a Foreign Secretary of Pakistan.[1] He was also Pakistan's ambassador to the United States in the Nixon[2] and Jimmy Carter presidency.[3]
Sultan Mohammed Khan was born in Jaora State, British India, on 19 February 1919. He received his bachelor's degree from Ewing Christian College.[4]
Sultan Mohammed Khan joined the British Indian army as an officer cadet and was commissioned as a lieutenant in the 4th Indian Grenadiers, during World War II he served in India and the Malays-Indonesia front.[4] He took an early release from the British Indian army as a major and after independence of Pakistan from the British, Khan joined the Pakistan's foreign service.[4]
During his career as a diplomat, he served as a Pakistan ambassador to the United States, Canada, China, and Japan.[5]
He married daughter of Jaora State ruler, Nawabzadi Abeda Sultan, in 1943.[4] The couple had four children. He emigrated to the United States and lived a retired life in Maryland, United States.[4]