The Media Development and Diversity Agency (MDDA) is a statutory development agency for promoting and ensuring media development and diversity.

It is a partnership between the South African Government and major print and broadcasting companies to assist in, amongst others, developing community and small commercial media in South Africa.​

It was established in 2003, in terms of the MDDA Act No. 14 of 2002 and started providing grant funding to projects on 29 January 2004.