Krishnaganj is an assembly constituency in Nadia district in the Indian state of West Bengal.

88 Krishnaganj Assembly constituency (SC) is composed of the following: Krishnaganj community development block, and Badkulla-I, Badkulla-II, Betna Gobindapur, Dakshin Para I, Dakshin Para II, Gajna, Mayurhat I and Mayurhat II gram panchayats of Hanskhali community development block.

[1] In the Krishnaganj seat, the by-election was held due to the murder of the sitting TMC MLA Satyajit Biswas.

In the Krishnaganj seat, the by-election was held due to the death of the sitting TMC MLA Sushil Biswas on 21 October 2014.

[6] Nayan Chandra Sarkar of CPI(M) defeated Mrinal Kanti Biswas of Congress in 1987.