Mehrdad Avesta (Mohammad Reza Rahmani, Persian: مهرداد اوستا; 8 August 1930 – 6 May 1991) was an Iranian poet.

When he was young, he changed his first name from Mohammad Reza to Mehrdad and his family name from Rahmani to Avesta in order to show his passion for ancient Persian culture.

Born to a family of artistic history, he was also greatly interested in art, so he started writing poems from early ages, which were also published.

He toured around the world, visiting different countries and different people, giving speeches and receiving education in philosophy and theosophy.

He had worked as a poetry judge in Music part of Ministry of Culture with Ahmad NikTalab and other Persian famous poets in Vahdat Hall of Tehran.