| Name | Gender | Appearances | Top Performance |
|---|---|---|---|
| Anne Thomson | Female | 3 | 52nd |
| Genevieve Thornley | Female | 3 | 59th |
| Paul Thornley | Male | 3 | 34th |
| Jason Thow | Male | 1 | 8th |
| Jayden Thrush | Male | 1 | 181st |
| Double Tim B and Craig M | Male | 1 | 61st |
| Sean Timoney | Male | 3 | 33rd |
| Karl Timu | Male | 9 | 2nd |
| Ray Tischik | Male | 1 | 17th |
| Kade Tito | Male | 1 | 13th |
| Double Toby and Sophie Brooke | Male | 2 | 8th |
| Barrie Todd | Male | 1 | 75th |
| LyallBay Tom | Male | 4 | 3rd |
| Team Tom & Nicole | Male | 1 | 8th |
| Juan Tomas | Male | 1 | 86th |
| Gonçalo Tomás | Male | 1 | 51st |
| Arthur Tompkins | Male | 2 | 106th |
| Koroiti Tongia | Male | 2 | 45th |
| Archie Tonks | Male | 12 | 1st |
| Steven Toole | Male | 2 | 32nd |
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