Muhammad Sadiq () was a noted artist from 18th century Iran. He was a painter at the court of the Zand ruler Karim Khan (reigned 1750âÂÂ79). After Karim Khan's death, he worked for the Qajar ruler Agha Mohammad Khan Qajar (reigned 1779âÂÂ97).
One of Sadiq's famous paintings is a portrait of Mohammad Rostam Khan Zand, a Zand prince and grandson of the military commander Zaki Khan. The painting is often praised for its classical Persian depiction of Male Masculinity.