Sweden in the Quackvision Song Contest 01

Background
Main Article: Sweden

Sweden was the first country that was confirmed to participate in the inaugural edition of the Quackvision Song Contest, as their position as hosts was officially confirmed by the contest. They counted with quaackeers as their head of delegation for the edition. As with all the other countries competing in this edition, it was their official debut in the contest.

Internal Selection
Sofia Karlberg was announced to be the representative for Sweden for the first edition of the Quackvision Song Contest, being the eighth song to be revealed for the contest. The song was revealed to be "Bad Habit", a song sung entirely in English.

Grand Final
Nearing the end of the Song Reveal period for the edition, the Quackvision Event 01 revealed the halves that the contestants would be performing in, with the final running order being revealed on 31 July 2021. For the show, Sweden was placed in the second half, performing fifteenth, following the entry from Argentina and preceding the entry from the Romania. At the end of the show, Sweden placed sixth in the final, scoring 149 points: 59 from the televote (8th) and 90 from the juries (4th).