| Name | Gender | Appearances | Top Performance |
|---|---|---|---|
| Sam Manson | Male | 8 | 1st |
| Nicholas Manukau | Male | 1 | 73rd |
| Hugo Marante Lima | Male | 1 | 42nd |
| Double Marchand & Peter | Male | 3 | 3rd |
| Amandine Mariette | Female | 1 | 4th |
| Teahuragi Mariteragi | Male | 1 | 17th |
| Shane Mariu | Male | 1 | 40th |
| Louise Mark | Female | 1 | 4th |
| Team Mark & Matt | Male | 1 | 7th |
| Jay Marlowe | Male | 3 | 54th |
| Imelda Marnane | Female | 1 | 37th |
| Britt Marquet | Female | 2 | 8th |
| Murray Marquet | Male | 3 | 28th |
| Benji Marriage | Male | 1 | 172nd |
| Julie Marriott | Female | 1 | 54th |
| Sassy Marshall-Johnson | Female | 2 | 11th |
| Ian Martella | Male | 2 | 28th |
| Sara Martí | Female | 1 | 76th |
| Alex Martin | Female | 16 | 14th |
| Craig Martin | Male | 8 | 6th |
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