Pir Hassam-ud-Din Rashidi (Sindhi: ??? ???? ????? ??????) (September 20, 1911 – April 1, 1982) was a Pakistani historian and scholar.Born in 1911 near Nusrat Station, Ratodero Taluka, Larkana District, he was the son of Muhammad Hamid Shah Rashidi and the younger brother of Pir Ali Muhammad Rashidi.
He was an internationally acclaimed scholar of Sindhi literature as well as a historian, journalist and biographer.