Yugoslavia was present at the Eurovision Song Contest 1966, held in Luxembourg, Luxembourg.
The Yugoslavian national final to select their entry, was held on 23 January at the Dom Sindikata in Belgrade and hosted by Miloje Orlović.
The winning song was chosen by a jury of 10 people. The winning entry was "Brez besed" performed by Slovene singer Berta Ambrož, composed by Mojmir Sepe and written by Elza Budav.
Berta Ambrož performed 5th on the night of the Contest following Luxembourg and preceding Norway. At the close of the voting the song had received 9 points, coming 7th in the field of 18 competing countries.