| Matiu Ratana | |
| Constituency Mp2: | Western Maori |
| Parliament2: | New Zealand |
| Term Start2: | 10 February 1945 |
| Term End2: | 7 October 1949 |
| Predecessor2: | Toko Ratana |
| Successor2: | Iriaka Rātana |
| Party: | Labour |
| Birth Date: | 16 December 1912 |
| Birth Place: | Parewanui, New Zealand |
| Death Place: | Wanganui, New Zealand |
Matiu Rātana (16 December 1912 – 7 October 1949), son of Tahupotiki Wiremu Rātana, was a New Zealand politician and president of the Rātana Church.
A younger brother to Haami Tokouru Rātana he succeeded to the Church Presidency, and to the Western Maori electorate (from 10 February 1945, after a by-election) after his brother's death in 1944.[1]
Matiu Rātana died on 7 October 1949 in Wanganui Hospital after a car accident. He was succeeded by his wife Iriaka Rātana as MP. She was the first female Māori MP.