Manbazar is an assembly constituency in Purulia district in the Indian state of West Bengal.

243 Manbazar Assembly constituency (ST) is composed of the following: Manbazar I and Puncha community development blocks; Chatumadar, Daldali and Manguria Lalpur gram panchayats of Hura community development block.

In the 2006 and 2001 state assembly elections, Shamya Pyari Mahato of CPI(M) won the Manbazar assembly seat defeating his nearest rivals Kamakshya Prasad Singh Deo of Trinamool Congress and Sitaram Mahato of Trinamool Congress respectively.

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

Nakul Chandra Mahata of CPI(M) defeated Sitaram Mahato of Congress in 1977.