Mthonjaneni is an administrative area in the King Cetshwayo District of KwaZulu-Natal in South Africa.

There is a spring found in the vicinity of the municipality where King Dingaan used to send his maidens to collect water for him.

[5] The 2001 census divided the municipality into the following main places:[6] The municipal council consists of twenty-five members elected by mixed-member proportional representation.

Thirteen councillors are elected by first-past-the-post voting in thirteen wards, while the remaining twelve are chosen from party lists so that the total number of party representatives is proportional to the number of votes received.

In the election of 1 November 2021 the Inkatha Freedom Party (IFP) lost its majority, obtaining a plurality of twelve seats on the council.