| Honorific-Prefix: | Honourable |
| Hasnain Dewji | |
| Honorific-Suffix: | MP |
| Term Start: | 2005 |
| Term End: | 2010 |
| Predecessor: | Omary Mwenda |
| Successor: | Selemani Bungara |
| Birth Date: | 24 June 1957 |
| Nationality: | Tanzanian |
| Party: | CCM |
Hasnain Gulamabbas Dewji (born 24 June 1957) is a Tanzanian politician who served as the Member of the Tanzanian Parliament for Kilwa South constituency from 2005 to 2010.[1]