The Yugoslavian participating broadcaster, Jugoslavenska radiotelevizija (JRT), selected its entry through Jugovizija 1966.

The Yugoslav national final to select their entry, was held on 23 January at the Dom Sindikata in Belgrade.

[a][b] The winner was chosen by the votes of an eight-member jury of experts, one juror for each of the six republics and the two autonomous provinces.

[c] The winning entry was "Brez besed" performed by Slovene singer Berta Ambrož, composed by Mojmir Sepe and written by Elza Budau.

At the close of the voting the song had received 9 points, coming 7th in the field of 18 competing countries.