Sanyal is a surname, common among residents of the Indian state of West Bengal and also in Bangladesh.
B. C. Sanyal, artist
Chandan Roy Sanyal, actor
Devraj Sanyal, businessman
Gautam Sanyal, secretary to Chief Minister of West Bengal Mamata Banerjee
Kanu Sanyal, politician
Meera Sanyal, banker
Milan K. Sanyal, physicist
Nalinaksha Sanyal, politician, economist and freedom fighter
Narayan Sanyal, author
Pahari Sanyal, actor
Ram Brahma Sanyal, zoologist
Ritwik Sanyal, classical singer
S. N. Sanyal, cricketer
Sachindra Nath Sanyal, revolutionary
Sanjeev Sanyal, economist and author
Satarupa Sanyal, director
Sugata Sanyal, computer scientist
Sulekha Sanyal, author and activist
Sumita Sanyal, actress
Trailokyanath Sanyal, Vaishnav missionary and musician
Usha Sanyal, historian