Reformers' Party (Persian: حزب اصلاح‌طلبان‎, translit. Ḥezb-e Eṣlāḥṭalabān‎) was a political party in Iran, established in late years of Qajar dynasty. It was one of the four major parliamentary parties in early 1920s, along with the Communist Party, Socialist Party and Revival Party. The party is an heir to the Moderate Socialists Party, and was founded by its former members joined by some Democrat Party affiliates.