Mwigulu Lameck Nchemba (born 7 January 1975) is a Tanzanian economist and CCM politician, who serves as the elected Member of Parliament for Iramba West Constituency since 2010.

His tenure at the finance ministry coincided with the "Tegeta Escrow Scandal", which involved the embezzlement of hundreds of million of dollars by high-ranking government officials.

[4] He was appointed the Minister of Agriculture, Livestock and Fisheries in December 2015, by the then incoming president John Pombe Magufuli.

Following the death of Ambassador Dr Agustine Phillip Mahiga, he was appointed the Minister of Constitutional and Legal Affairs.

Dr Philip Mpango was promoted to Vice-President of Tanzania, Nchemba took over the post of the Minister of Finance and Planning.