Sweden was represented at the Eurovision Song Contest 1966 with the song "", composed by Bengt-Arne Wallin, with lyrics by Björn Lindroth, and performed by Lill Lindfors and Svante Thuresson. The Swedish participating broadcaster, (SR), selected its entry through a national final titled .
Sweden scored 16 points and finished in 2nd place at the contest in Luxembourg, its highest ever placement at the time.
====== (retroactively often referred to as 1966) was the selection for the eighth song to represent at the Eurovision Song Contest, held at the in Stockholm on 29 January 1966. It was the seventh time that (SR) used this system of picking a song. 898 songs were submitted to SR for the competition. Regional juries selected the winning song. The show was hosted by Sven Lindahl and was broadcast on Sveriges Radio TV but was not broadcast on radio.