Acronyms ISEL can refer to: Instituto Superior de Engenharia de Lisboa, a Portuguese school of engineering Industrial Syndicalist Education League, a British syndicalist organisation
Geographic names Isel, Cumbria, a dispersed settlement in North West England Isel Hall, ancient residence in Isel, Cumbria Isel (river), East Tyrol, Austria, a major early tributary of the Drava Mount Isel, misnomer for Bergisel, a hill near Innsbruck, Austria Isel Park, a historic park in Stoke, New Zealand
People Isel López (born 1970), Cuban female javelin thrower Isel Saavedra (born 1971), Cuban female volleyball player