Najaf-Qoli Khan Bakhtiari

Saad al-Dowleh
سعدالدوله
7th Prime Minister of Iran
In office
1911  17 January 1913
MonarchAhmad Shah Qajar
Preceded bySepahsalar-e Tonekaboni
Succeeded byMohammad Ali Ala al-Saltaneh
In office
1 May 1918  8 August 1918
MonarchAhmad Shah Qajar
Preceded byMostowfi ol-Mamalek
Succeeded byVosugh od-Dowleh
Personal details
Born1846
Chaharmahal province, Sublime State of Iran
Died1930 (aged 8384)
Isfahan, Imperial State of Iran

Najaf-Qoli Khan Bakhtiari (1846–1930; Persian: نجف‌قلی‌خان بختیاری) also known as Saad al-Dowleh (سعدالدوله) and Samsam al-Saltaneh (صمصام‌السلطنه), was an Iranian Prime Minister and a leader of the Iranian Constitutional Revolution. He was elected Prime Minister for two terms, first from 3 May 1909 to 16 July 1909 and again from 23 December 1912 to 17 January 1913, when he resigned from the office. He was a representative of Parliament of Iran from Tehran in the 4th Parliament. He was the older brother of Ali-Qoli Khan Bakhtiari, better known as Sardar Assad, Bibi Maryam Bakhtiari and Khosrou Khan, Sardar Zafar Bakhtiari. He died in 1930 in Isfahan.