Sayyid Hasan ar-Rida al-Mahdi as-Senussi (1928 – 28 April 1992) was the crown prince of the Kingdom of Libya from 26 October 1956 to 1 September 1969, when the monarchy was abolished.
Sayyid Hasan ar-Rida al-Mahdi as-Senussi (1928 – 28 April 1992) adalah putra mahkota Kerajaan Libya dari 26 Oktober 1956 hingga 1 September 1969 ketika monarki dibubarkan.