Ratko Kacian (Croatian pronunciation: [râtko kǎtsiaːn]; 18 January 1917 – 18 June 1949; spelled Kacijan in some sources) was a Croatian and Yugoslav footballer. He played internationally for the wartime Independent State of Croatia team from 1940 to 1943 and for the Yugoslavia national team in 1946. He was also part of Yugoslavia's squad at the 1948 Summer Olympics in London, without appearing in any matches.