Ali Osman Alhaj (Arabic: علي عثمان; born 1958 in Omdurman, Sudan - died February 16, 2017, in Cairo) was a Sudanese composer of contemporary classical music.[1][2] He was active in Egypt's contemporary music scene and a specialist in Sudanese music. He also played the guitar, drum kit, and double bass. As artistic director and principal conductor, he worked with the Al Nour Wal Amal (Light and Hope) Orchestra for blind female musicians.