| Shyamdev Roy Chaudhari श्याम देव रॉय चौधरी | |
| Office: | Member of Uttar Pradesh Legislative Assembly |
| Constituency: | Varanasi South |
| Predecessor1: | Rajni Kant Dutta |
| Successor: | Neelkanth Tiwari |
| Term End: | 1989 - 2017 |
| Birth Date: | 22 June 1939 |
| Birth Place: | East Bengal |
| Education: | B.Com. |
| Party: | Bharatiya Janata Party |
| Spouse: | Minati Roy Chaudhari |
| Children: | Two sons |
| Profession: | Politics, Photography |
Shyamdev Roy Chaudhari (Dada) is an Indian politician and former cabinet minister in Government of Uttar Pradesh. He was former member of Uttar Pradesh Legislative Assembly representing Varanasi South assembly seven times, from 1989 to 2017.[1] He is also known as Dada in Varanasi.[2] He is one of the greatest Indian politicians of entire India.