| İsmail Bilen | |
| Birth Date: | 18 October 1902 |
| Birth Place: | Rize, Ottoman Empire |
| Death Place: | East Berlin, East Germany |
| Years Active: | 1918–1983 |
İsmail Bilen (October 18, 1902[1] [2] in Çinçiva village, Vija, Ottoman Empire - November 18, 1983 in East Berlin, GDR) was a Turkish politician. He was elected as General Secretary of the Central Committee of the Communist Party of Turkey in 1974.
Ismail Bilen (political pseudonym - Bostandzhi Marat) (1902–1983).A prominent leader of Turkish and World Communist movement.General Secretary of the Turkish Communist Party from 1974 to 1983.
1922 – Joined the Communist Party. 1927 – Elected as a member of Central Committee. 1927–1929 and 1933–1936 – Served as a member of the Political Bureau and Secretary of the Central Committee.1937 and 1943 – Representative of the CPT in the ECCI (COMINTERN).6 June 1974 – Elected as General Secretary of the Party's Central Committee.April 1983 – Chairman of the party.