Dirk Frederik Mudge (born 16 January 1929) is a Namibian retired farmer and politician.
He served in several high-ranking positions in the South African administration of South West Africa, was the chairman of the 1975–1977 Turnhalle Constitutional Conference, and co-founded the Republican Party (RP) of Namibia as well as the Democratic Turnhalle Alliance (DTA), now known as the Popular Democratic Movement (PDM).
At Namibian independence, Mudge was a member of the Constituent Assembly and 1st National Assembly until he retired in 1993.
Mudge is the founder of Namibia's Afrikaans daily Die Republikein and its publisher Namibia Media Holdings.