| Name | Gender | Appearances | Top Performance |
|---|---|---|---|
| Ryan Kiesanowski | Male | 4 | 4th |
| Charlotte Kight | Female | 1 | 115th |
| Chris Kimber | Male | 2 | 82nd |
| Steve Kimber | Male | 1 | 89th |
| Nyree King | Female | 1 | 37th |
| Owen King | Male | 2 | 26th |
| Rose King | Female | 1 | 67th |
| Tupuria King | Male | 17 | 1st |
| Warren King | Male | 1 | 114th |
| Ella Kingi | Female | 9 | 7th |
| Mickey Kingi | Male | 1 | 108th |
| Nicky Kingi | Female | 3 | 61st |
| Sam Kingston | Male | 3 | 32nd |
| Richie Kircher | Male | 4 | 4th |
| Nadine Kirk | Female | 1 | 124th |
| Heather Kirkham | Female | 3 | 10th |
| Lucy Klem | Female | 1 | 12th |
| Rachel Klem | Female | 4 | 6th |
| Evert Klos | Male | 1 | 18th |
| Colin Knight | Male | 1 | 29th |
Retrieving Competitors