| Name | Gender | Appearances | Top Performance |
|---|---|---|---|
| Peter Stevens | Male | 1 | 18th |
| Tara Stevens | Female | 1 | 17th |
| Jasmin Stevenson | Female | 7 | 21st |
| Ashley Stewart | Female | 1 | 1st |
| Derek Stewart | Male | 18 | 6th |
| Hayley Stewart | Female | 1 | 10th |
| Matt Stewart | Male | 3 | 54th |
| Sammi Stewart | Female | 1 | 147th |
| Susie Stewart | Female | 2 | 35th |
| Suzy Stewart | Female | 1 | 46th |
| Oskar Stielau | Male | 5 | 4th |
| Rebekka Still | Female | 1 | 86th |
| Pablo Stmary | Male | 1 | 35th |
| Andy Stokes | Male | 1 | 35th |
| Annie Stokes | Female | 1 | 2nd |
| Jason Stokes | Male | 3 | 8th |
| Zac Stolte | Male | 1 | 15th |
| Richard Stone | Male | 1 | 15th |
| Mark Stoneman | Male | 3 | 10th |
| Theo Stoneman | Male | 1 | 56th |
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