Eduard (War) Van Overstraeten (8 May 1891, Wetteren – 9 December 1981, Bruges) was a Flemish communist activist and painter. He was one of the founders of the Communist Party of Belgium. At the end of the First World War, he was a member of the . In 1920 he attended the 2nd World Congress of the Comintern where he defended Left Communist positions. He also attended the 3rd World Congress of the Comintern in 1921, where he was elected to the Executive Committee of the Communist International. He subsequently focussed on painting and retired in Bruges.