| Honorific Prefix: | Honorable |
| Mary Masanja | |
| Honorific Suffix: | MP |
| Office: | Deputy minister for Natural Resources and Tourism |
| Term Start: | December 2021 |
| President: | John Magufuli Samia Suluhu |
| Predecessor: | Constantine Kanyasu |
| Office1: | Member of Parliament |
| Term Start1: | November 2020 |
| Predecessor1: | Special Seats |
| Successor1: | Special Seats |
| Constituency1: | Women Rep |
| Birth Name: | Mary Francis Masanja |
| Birth Date: | 18 February 1975 |
| Birth Place: | Mwanza Region |
| Nationality: | Tanzanian |
| Occupation: | Civil Servant |
| Profession: | Accountant |
| Party: | Chama Cha Mapinduzi |
| Education: | Nyamagana Primary School Lake Secondary School Kagunguli Secondary School |
| Alma Mater: | Nyegezi Social Training Institute Mzumbe University The National Board of Accountants Auditors (NBAA) |
Mary Francis Masanja is a Tanzanian politician and Deputy minister for Natural Resources and Tourism and currently serving as the Chama Cha Mapinduzi's member of parliament for women representatives in special seats since November 2020.[1] [2] [3]