Abolhassan Sadighi (Persian: ابوالØسن صدیقی) (5 October 1894 – 11 December 1995) was an Iranian sculptor and painter and was known as Ostad Sadighi (English: Master Sadighi). He was a student and disciple of Kamal-ol-molk.
The statue of Ferdowsi in the Ferdowsi square, the statue of Khayyam in Laleh Park of Tehran, the statue of Nader Shah at his mausoleum in Mashhad, and the portrait of Abu-Ali Sina are all examples of his works.