M. B. Rajesh is an Indian politician who has served as the State Minister for Local Self-Governments and Excise of Kerala, since 2022. He previously served as the Speaker of the Kerala Legislative Assembly from 2021 to 2022 and represents Thrithala State Assembly Constituency since 2021.

Thrithala State assembly constituency is one of the 140 state legislative assembly constituencies in the state of Kerala located in southern India. It is also one of the 7 state legislative assembly constituencies included in the Ponnani Lok Sabha constituency. As of the 2021 assembly elections, the current MLA is M. B. Rajesh of Communist Party of India (Marxist).