UEG may refer to: European Union of Gymnastics (French: ), a sports federation Ubbo-Emmius-Gymnasium, a school in Leer, Germany Uniform electron gas Union-Elektricitäts-Gesellschaft, now part of AEG Universal Energy Group, a Canadian energy company United European Gastroenterology, a non-profit organisation combining European societies concerned with digestive health United Earth Government, A fictional organization that appeared in the film series "The Wandering Earth"