Switzerland was represented at the Eurovision Song Contest 1979 with the song "Trödler und Co.", written by Peter Reber, and performed by Peter, Sue, Marc, Pfuri, Gorps, and Kniri.

Swiss German and Romansh broadcaster Schweizer Fernsehen der deutschen und rätoromanischen Schweiz (SF DRS) was in charge of staging and broadcasting the selection of the Swiss entry for the Eurovision Song Contest 1979.

It held the national final on 27 January 1979 at its studios in Geneva, hosted by Christian Heeb.

Switzerland was the 8th in sequence to perform on the night, following Greece and preceding Germany.

The group scored 60 points, placing Switzerland 10th out of 19 entries.