| Name | Gender | Appearances | Top Performance |
|---|---|---|---|
| Dave Knight | Male | 1 | 34th |
| Michelle Knight | Female | 3 | 1st |
| Raewyn Knight | Female | 1 | 33rd |
| Martin Knoche | Male | 1 | 60th |
| Mike Knowsley | Male | 1 | 77th |
| Callum Knox | Male | 4 | 16th |
| Stine Knudsen | Male | 1 | 88th |
| Cheryl Knyvett | Female | 1 | 43rd |
| Trevor Knyvett | Male | 1 | 46th |
| Jake Koekemoer | Male | 2 | 3rd |
| Dom Koko | Male | 1 | 10th |
| Sami Koko | Female | 0 | - |
| Simon Koller | Male | 1 | 38th |
| Maynard koroheke | Male | 2 | 1st |
| Jeremy Kuggeleijn | Male | 48 | 2nd |
| Dennis Kuhn | Male | 2 | 82nd |
| Tepa Kuuipo | Male | 1 | 29th |
| Double L Hati / G Walters | Female | 1 | 75th |
| Double L Wainui / T Tere | Male | 1 | 6th |
| Liam Lace | Male | 27 | 1st |
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