A progressor, in science fiction, is a person who carries out claldestine acceleration of progress in less advanced civilizations.
Progressor may also refer to:
Car progressor or car spotter, a system that positions train cars one after another Progressor, in medicine a patient whose disease is progressing; see, e.g., "Immune-related response criteria" S. progressor, species of Siphonophora "Progressor" ("Puroguressā"), anime adaptation of a light novel from series Clockwork Planet