| Khalil Esfandiary-Bakhtiary | |
| Office1: | Iranian Ambassador to West Germany |
| Term Start1: | 1952 |
| Term End1: | 1961 |
| Monarch1: | Mohammad Reza Shah |
| Primeminister1: | Mohammad Mosaddegh Fazlollah Zahedi Hossein Ala' Manouchehr Eghbal Jafar Sharif-Emami |
| Predecessor1: | Abdullah Entezam |
| Successor1: | Amir Khosrow Afshar |
| Birth Date: | 3 April 1901 |
| Birth Place: | Izeh, Iran |
| Death Place: | Munich, West Germany |
| Spouse: | Eva Karl |
| Children: | Soraya Bijan |
| Relatives: | Ali-Qoli Khan Bakhtiari (uncle) Najaf-Qoli Khan Bakhtiari (uncle) |
| Parents: | Esfandiar Khan (Sardar Asad) Bibi Maryam |
Khalil Esfandiary-Bakhtiary (Persian: خلیل اسفندیاری بختیاری; April 3, 1901 – January 19, 1983), was an Iranian politician and diplomat.[1] Bakhtiary was Iran's Ambassador to West Germany from 1952 to 1961.[2] [3] He was the father of Soraya Esfandiary-Bakhtiary, the second wife of Mohammad Reza Pahlavi, the last Shah of Iran.