Sir Syed Muhammad Saadulla KCIE (Assamese: ছাৰ ছৈয়দ মহম্মদ ছাদুল্লাহ; 21 May 1885 – 8 January 1955) was the Prime Minister of Assam in British India. He was also the chairman of Gauhati Municipality in 1919 and Minister-in-Charge of Education and Agriculture for Assam from 1924 to 1934. He was educated at Cotton College, Guwahati and at Presidency College, Calcutta. He was knighted in the 1928 Birthday Honours and appointed a Knight Commander of the Order of the Indian Empire (KCIE) in the 1946 Birthday Honours.