Keppel Earl "Kep" Enderby (25 June 1926 – 8 January 2015) was an Australian politician and judge. He was a member of the House of Representatives for the Australian Labor Party between 1970 and 1975. He also became a senior cabinet minister in the Gough Whitlam government. After politics, he was became a Justice of the Supreme Court of New South Wales, serving from 1982 to 1992. He was the president of the Universal Esperanto Association from 1998 to 2001.