| Country: | India |
| Birth Date: | 12 August 1989 |
| Birth Place: | Chennai, India |
| Grandmaster (2013)[1] | |
| Peakrating: | 2543 (September 2017) |
| Fideid: | 5030692 |
Vishnu Prasanna Vasanthan Perumal is an Indian chess grandmaster and coach.
Vishnu began playing chess at the age of 12 after being introduced to the game by his mother.[2]
He won the 2013 Chennai Blitz Championship, remaining undefeated throughout the tournament and defeating grandmasters J. Deepan Chakkravarthy, Adhiban Baskaran, and Shyam Sundar M.[3]
In 2013, Vishnu turned to coaching shortly after earning the Grandmaster title. He is best known for having coached super-grandmaster Gukesh D, whom he first met in July 2017.[2]
In November 2022, Vishnu and his wife launched a chess club in the Anna Nagar neighborhood of Chennai. The club was inaugurated by Viswanathan Anand.[4]