Oskar Sepre (20 May 1900 in Kabala Parish (now Türi Parish), Kreis Fellin – 23 November 1965 in Tallinn) was an Estonian communist politician. He was a member of II Riigikogu. He was a member of the Riigikogu since 10 March 1924. He replaced Hans Heidemann. On 9 April 1924, he resigned his position and he was replaced by August Mühlberg.[1]
In 1924, Sepre was arrested by Estonian authorities and sentenced to 149 years of forced labor for his participation in the anti-state Workers' United Front communist front organization. He was released by the 1938 Amnesty Act.[1]