ISEL

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