Bibi Maryam Bakhtiari (1874–1937) (Bakhtiari: بی مَریَمِ بَختیاری Bi Maryam Baxtiâri, Persian: بی بی مریم بختیاری) was the daughter of Hossein Gholi Khan, the sister of Ali-Qoli Khan Bakhtiari and an Iranian Bakhtiari revolutionary and activist of the Iranian Constitutional Revolution.As a military commander, she played a distinguished role when Bakhtiari tribal forces with help of modern arms from German Empire successfully captured Tehran in 1909 as part of the revolutionary campaign to force the central government to establish democratic reforms.