| Intro | Tanzanian Roman Catholic prelate, Bishop of Dodoma |
| Was | Priest |
| From | Tanzania |
| Type | Religion |
| Gender | male |
| Birth | 14 August 1929 |
| Death |
13 April 2016 (aged 86 years) |
Matthias Joseph Isuja (14 August 1929 – 13 April 2016) was a Tanzanian Roman Catholic prelate.
Ordained a priest in 1960, Isuja served as bishop of the Roman Catholic Diocese of Dodoma, Tanzania from 1972 to 2005.