Tahupōtiki Wiremu Rātana | |
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| Born | 25 January 1873 |
| Died | 18 September 1939 (aged 66) |
| Occupation(s) | Faith healer, church leader, farmer |
| Notable work | The Blue Book (te pukapuka whakamoemiti) |
Tahupōtiki Wiremu Rātana (25 January 1873? – 18 September 1939) was the founder of the Rātana religion in the early 20th century in New Zealand. He rose to prominence as a faith healer.