Mohamed Hasan Cegu Isadean (born 12 May 1944) is a Sri Lankan politician, a former member of the Parliament of Sri Lanka and a former government minister also he is the Founder Chairman of Sri Lanka Muslim Congress and immensely contributed for the development of the party during that time; he's also believed as the person who has written the party's constitution.
He served as the Opposition Leader of merged North-Eastern provincial council as well and held many deputy ministerial and ministerial portfolios such as Export Development, Mass Media Information, Rural Economic Development and Highways.