Pius Langa, South African lawyer and jurist, 19th Chief Justice of South Africa (born 1939)

Pius Nkonzo Langa SCOB was Chief Justice of South Africa from June 2005 to October 2009. Formerly a human rights lawyer, he was appointed as a puisne judge of the Constitutional Court of South Africa upon its inception in 1995. He was the Deputy Chief Justice of South Africa from November 2001 until May 2005, when President Thabo Mbeki elevated him to the Chief Justiceship. He was South Africa's first black African Chief Justice.

The chief justice of South Africa is the most senior judge of the Constitutional Court and head of the judiciary of South Africa, who exercises final authority over the functioning and management of all the courts.