| Year: | 1957 |
| Broadcaster: | Swiss Broadcasting Corporation (SRG SSR) |
| Country: | Switzerland |
| Preselection: | French: Finale suisse du Concours Européen de la Chanson |
| Preselection Date: | 11 February 1957 |
| Entrant: | Lys Assia |
| Song: | French: L'enfant que j'étais|i=no |
| Final Result: | 8th, 5 points |
Switzerland was represented in the Eurovision Song Contest 1957 with the song "French: L'enfant que j'étais|i=no", composed by Géo Voumard, with lyrics by Émile Gardaz, and performed by Lys Assia. The Swiss participating broadcaster, the Swiss Broadcasting Corporation (SRG SSR), selected its entry through a national final. Assia had already represented Switzerland at the performing both Swiss entries, and winning with "French: [[Refrain (Lys Assia song)|Refrain]]|i=no".
The Swiss Broadcasting Corporation (SRG SSR) held a national final on 11 February 1957 in St. Moritz. Three artists competed to represent Switzerland: previous year's winner Lys Assia; Jo Roland, who participated at the national final of 1956; and Gianni Ferraresi, and the winning song was chosen by the votes of 4 regional juries which consisted of 10 members each.[1]
Following the voting, three songs tied for first place with 8 points; "La vie" and "Avec vingt sous" by Jo Roland and "L'enfant que j'étais" by Lys Assia. After all three songs performed once more, a revote among the tying acts took place to decide the winner.[2] This event is notable for being the earliest known instance of a tiebreaker in a Eurovision Song Contest national final.
The winner was Lys Assia for the second year, with the song "French: L'enfant que j'étais|i=no".[3] The winning title was written by Émile Gardaz and composed by Géo Voumard, the same duo who wrote the previous year's Swiss entry and Eurovision winner "French: [[Refrain (Lys Assia song)|Refrain]]|i=no".
| + Final – 11 February 1957 | ||||
| R/O | Artist | Song | Total | Place |
|---|---|---|---|---|
| 1 | Jo Roland | "French: La vie|i=no" | 8 | 1 |
| 2 | Lys Assia | "French: L'enfant que j'étais|i=no" | 8 | 1 |
| 3 | Gianni Ferraresi | "Italian: Lasciami tranquillo|i=no" | rowspan="3" colspan="2" | |
| 4 | Lys Assia | "French: Derrière la cathedrale|i=no" | ||
| 5 | Gianni Ferraresi | "Italian: Nel mio carnet|i=no" | ||
| 6 | Gianni Ferraresi | "Italian: Bellissima|i=no" | 7 | 4 |
| 7 | Jo Roland | "French: Avec vingt sous|i=no" | 8 | 1 |
| 8 | Lys Assia | "German: Musst du schon geh'n|i=no" | rowspan="4" colspan="2" | |
| 9 | Jo Roland | "French: Quand je rêve|i=no" | ||
| 10 | Lys Assia | "German: Ein trautes Lied vom turm herab|i=no" | ||
| 11 | Lys Assia | "French: Ça n'epechera pas|i=no" |
| + Final (Tiebreaker) – 11 February 1957 | |||||||||
| Artist | Song | Songwriter(s) | Total | Place | |||||
|---|---|---|---|---|---|---|---|---|---|
| Jo Roland | "French: La vie|i=no" | Pierre Gisin | 6 | 5 | 3 | 14 | 2 | ||
| Lys Assia | "French: L'enfant que j'étais|i=no" | Émile Gardaz • Géo Voumard | 7 | 5 | 5 | 17 | 1 | ||
| Jo Roland | "French: Avec vingt sous|i=no" | Dominique Roland | 4 | 3 | 2 | 9 | 3 |
At the Eurovision Song Contest 1957 in Frankfurt, the Swiss entry was the last of the night following with "Danish: Skibet skal sejle i nat|i=no". At the close of voting, Switzerland had received five points in total; the country finished shared eight among the ten participants. The Switzerland jury gave seven points, to the winning country, the .
The Swiss entry was conducted at the contest by the event's musical director Willy Berking.
Each participating broadcaster assembled a ten-member jury panel. Every jury member could give one point to his or her favourite song.