Dinko Tsvetkov Dermendzhiev (Bulgarian: Динко Цветков Дерменджиев; 2 June 1941 – 1 May 2019) was a Bulgarian football player and manager.

Dermendzhiev played his all of his club career for Botev Plovdiv. He played as a forward between 1959 and 1978. He also played for Bulgaria from 1962 to 1977. He played for his country 58 times, scoring 19 goals. He was in the squad for Bulgaria at three FIFA World Cups (1962, 1966 and 1970).

Dermendzhiev later became a football manager. He was in charge of Botev Plovdiv, Levski Sofia, Lokomotiv Plovdiv, as well as many other teams. He last managed in 2001.

Dermendzhiev died of problems caused by a stroke on 1 May 2019. He was 77.