Deepa Kumari Manjhi (born 22 January 1987) is an Indian politician from Bihar and a member of the Legislative Assembly representing Imamganj Constituency (227), Gaya.

She was elected to the Bihar Legislative Assembly in 2024 by-election as a candidate of the Hindustani Awam Morcha (Secular).

She defeated Raushan Kumar Manjhi of Rashtriya Janata Dal and Jitendra Paswan of Jan Suraaj Party.