Dinko Tsvetkov Dermendzhiev (Bulgarian: Динко Цветков Дерменджиев) (born 2 June 1941 in Plovdiv) is a former Bulgarian football (soccer) player in a midfielder role, and later manager.
He played mostly for PFC Botev Plovdiv in 1960s and 1970s, and also for FC Maritsa Plovdiv. He made 58 appearances for the Bulgaria national football team from 1966 to 1977. He participated at three edition of FIFA World Cup in 1962, 1966 and 1970, scored one goal against Peru.