Demyan Vadymovych Hanul (Ukrainian: Дем'ян Вадимович Ганул; 6 October 1993 – 14 March 2025) was a Ukrainian activist and public figure best known for his blogging and leadership of the Street Front non-governmental organization (NGO). Hanul participated in the Revolution of Dignity in Kyiv, as well as the 2014 Odesa clashes against pro-Russian activists. Hanul was assassinated in Odesa on 14 March 2025.