Rhys Andrew Mariu (born 15 December 2001) is a New Zealand cricketer who has played for Canterbury since the 2022–23 season. He played his first match for New Zealand in a One-Day International in April 2025.
| Format | Matches | Runs | Avg | 100s/50s | Top Score | Wickets | Bowl Avg | Best Bowling | Catches/St |
| ODI | 2 | 76 | 38.00 | 0/1 | 58 | – | – | – | 0/– |
| FC | 27 | 2,372 | 55.16 | 8/8 | 249 | 1 | 41.00 | 1/12 | 36/– |
| LA | 27 | 772 | 32.16 | 0/4 | 87 | – | – | – | 11/– |
| T20 | 9 | 120 | 17.14 | 0/0 | 43 | – | – | – | 0/– |
