Jacob Jack Mwiimbu (born 23 July 1959) is a Zambian lawyer and politician who is a member of the United Party for National Development.

[1] He was appointed Minister of Home Affairs by President Hakainde Hichilema in September 2021.

[1] He is the current Minister of Home Affairs and Internal Security of Zambia and the member of parliament for Monze constituency.

Mwiimbu became a lawyer and later joined the United Party for National Development (UPND).

He has been an advocate for democracy, human rights, and the rule of law, working to improve the lives of the Zambian people.