Bank Mellat (People's Bank) is one of the largest commercial banks in the Islamic Republic of Iran, ranking among the top 1000 banks of the world. The objective of the bank is rendering bank services throughout Iran and facilitating domestic and foreign commercial affairs and involving in production fields to render services to the economy of Iran.

The operations of the bank at the onset of its activities were include opening and keeping current and savings account, accepting deposits, granting loans and credits, carrying out foreign currency transactions, performing duties of trusteeship, administration, attorneyship and representation and performing other bank operations and commercial transaction which were not prohibited by virtue of prevalent laws and regulations of Iran.

Bank Mellat was founded in 1980 by merging of 10 private banks (Dariush, Tehran, Pars, Etebarat Taavoni & Tozie, Iran & Arab, Bein-al-melalie-Iran, Omran, Bimeh-Iran, Tejarat Khareji Iran and Farhangian).