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Switzerland's youngest players during the 1947 season, and their age in years and days on the occasion of their final appearance, starting or coming on as a substitute.
For each player age is measured in days, and in years and days, from their date of birth to the day of their first appearance.
| Player | Age (Y:d) | Age (days) | Match |
|---|---|---|---|
| Jacques Fatton | 20:200 | 7505 | 07 Jul 1946v Sweden |
| Willi Steffen | 21:111 | 7782 | 07 Jul 1946v Sweden |
| Rene Bader | 24:38 | 8804 | 14 Sep 1946v Czechoslovakia |
| Roger Bocquet | 25:88 | 9220 | 07 Jul 1946v Sweden |
| Hans-Peter Friedlander | 25:242 | 9374 | 07 Jul 1946v Sweden |
| Jean Tamini | 26:336 | 9833 | 10 Nov 1946v Austria |
| Oliver Eggimann | 27:229 | 10091 | 14 Sep 1946v Czechoslovakia |
| Erwin Ballabio | 27:329 | 10191 | 14 Sep 1946v Czechoslovakia |
| Alfred Bickel | 28:135 | 10362 | 14 Sep 1946v Czechoslovakia |
| Lauro Amado | 34:114 | 12533 | 07 Jul 1946v Sweden |