| Full name: | Joshua Paul Mariu |
| Born: | 1st October 1999, Christchurch, Canterbury, New Zealand |
| Batting: | Right-hand batter |
| Bowling: | Left-arm medium-fast |
| Relations: | Brother: RA Mariu; Father: MP Mariu |
| Teams: | Canterbury Country (Hawke Cup: 2019/20); Christchurch Boys High School (New Zealand Secondary School Boys: 2016/17-2017/18); All teams |
| Lists of matches and more detailed statistics | |