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. On 31 March 2021, President Samia Suluhu appointed him as the Minister of Finance, replacing Philip Mpango, who was elevated to the position of Vice President of Tanzania. Before his current appointment, he served as the Minister of Law and Constitutional Affairs in the Tanzanian Cabinet, since May 2020.