Syed Kamrul Islam Mohammad Salehuddin, also known by his nickname Jangu, was a Bangladeshi politician, language veteran, freedom fighter, parliamentarian, and social worker. He was elected a member of the National Assembly of Pakistan in 1970 from the Awami League for Faridpur-II. He also was a member of the Constituent Assembly of Bangladesh in 1972. He served as a member of parliament for Faridpur-3 from 1973 to 1979.