Dumitru Coliu (born Dimitar Kolev, Romanian: Dimităr Colev, Bulgarian: Димитър Колев; November 7, 1907 – 1985) was a Romanian communist activist and politician. An ethnic Bulgarian, he was born in Vasilieva village in Southern Dobruja, several years before it became part of Romania. Coliu entered a leather-workers’ union in 1923. In 1925, he joined the banned Romanian Communist Party (PCR). During the 1930s, he was active in the Dobrujan Revolutionary Organisation. He left for the Soviet Union in 1940, spending the World War II years in Moscow with other Romanian communists, and was a devoted collaborator of Ana Pauker's. While there, he was a political officer in the Tudor Vladimirescu Division.