Mladen Ramljak (1 July 1945 – 13 September 1978) was a Croatian football defender.

Ramljak left Dinamo Zagreb for Dutch side Feyenoord after playing over 600 games for the club.

[1] He made his debut for Yugoslavia in a May 1966 friendly match against Hungary and earned a total of 13 caps, scoring no goals.

He was a participant at Euro 1968 and his final international was a May 1972 European Championship qualification match away against the Soviet Union.

Dinamo Zagreb holds an international memorial tournament in his honour for youth squads.