Sonamukhi is an assembly constituency in Bankura district in the Indian state of West Bengal.

In the 2006 state assembly elections, Niresh Bagdi of CPI(M) won the Sonamukhi assembly seat defeating his nearest rival Dipali Saha of Trinamool Congress.

Contests in most years were multi cornered but only winners and runners are being mentioned.

Sukhendu Khan of CPI(M) defeated Dipali Saha of Trinamool Congress in 2001.

In independent India's first election in 1952, the Sonamukhi dual seat was won by Shishuram Mandal and Bhabataran Chakrabarty, both of Congress.