| Vishwanath Mahadeshwar | |
| Native Name: | विश्वनाथ महाडेश्वर |
| Office: | Mayor of Mumbai |
| Term Start: | 8 March 2017 |
| Term End: | 2019 |
| Predecessor: | Snehal Ambekar |
| Successor: | Kishori Pednekar |
| Party: | Shiv Sena |
| Residence: | Mumbai |
| Nationality: | Indian |
| Spouse: | Pooja Mahadeshwar |
| Birth Date: | 1960 4, df=y |
Vishwanath Mahadeshwar (15 April 1960 – 8 May 2023) was an Indian Shiv Sena politician from Mumbai, Maharashtra.[1] He served as the mayor of Brihanmumbai Municipal Corporation. He had also served as chairman of the civic education committee and was a member of the standing committee.
Mahadeshwar died on 8 May 2023, at the age of 63.[2]