| Name | Gender | Appearances | Top Performance |
|---|---|---|---|
| Double Joe & Jackie Macintrye | Male | 1 | 17th |
| Double Joe & Jackie Macintyre | Male | 1 | 22nd |
| Double Joe And Paul | Male | 1 | 6th |
| Kasey Joe-Mindoe | Male | 1 | 13th |
| Rhys John | Male | 2 | 4th |
| Team John Knight | Male | 1 | 42nd |
| Double John Toomath & David Morrison | Male | 1 | 23rd |
| Brian Johnson | Male | 2 | 12th |
| Charlotte Johnson | Female | 3 | 64th |
| David Johnson | Male | 1 | 31st |
| Mark Johnson | Male | 9 | 22nd |
| Max Johnson | Male | 1 | 16th |
| Neville Johnson | Male | 1 | 55th |
| Richard Johnson | Male | 1 | 34th |
| Simon Johnson | Male | 2 | 42nd |
| Zac Johnson | Male | 1 | 18th |
| Andrew Johnston | Male | 2 | 15th |
| Hannah Johnston | Female | 6 | 11th |
| Luke Johnston | Male | 3 | 51st |
| Quenton Johnston | Male | 4 | 1st |
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