This is a list of members of the third Mpumalanga Provincial Legislature, as elected in the election of 14 April 2004. The African National Congress (ANC) consolidated its majority in the legislature, winning 27 seats in the 30-seat legislature. The Democratic Alliance also increased its representation, winning two seats, and the Freedom Front Plus retained a single seat. The New National Party and United Democratic Movement lost the seats they had held in the prior legislature.
When the legislature convened for its first session on 26 April 2004, the ANC's Thabang Makwetla was elected as the third Premier of Mpumalanga. He opened his term with a major reshuffle of the Mpumalanga Executive Council. Pinky Phosa was elected as Speaker of the Mpumalanga Provincial Legislature, with Boy Nobunga as her deputy.
This is a list of members of the Mpumalanga Provincial Legislature as elected on 14 April 2004. It does not take into account changes in membership after the election.