| Full name: | Joshua Paul Mariu |
| Born: | 1st October 1999, Christchurch, Canterbury, New Zealand |
| Batting: | Right-hand batsman |
| Bowling: | Left-arm medium-fast |
| Relations: | Brother: RA Mariu |
| Teams: | Canterbury Under-17s (New Zealand Under-17 Tournament: 2015/16-2016/17); Christchurch Boys High School (New Zealand Secondary School Boys: 2016/17-2017/18) |
| Lists of matches and more detailed statistics | |