John Cecil Dauth, AO, LVO, OBE (born 9 April 1947) is an Australian public servant and diplomat.

[3] Dauth has served in a number of positions overseas including: Nigeria (Second Secretary, 1970–1972); Tutor in Residence at Burgmann College, Australian National University (1974–1975); Iran (Chargé d'affaires, 1983–1985); and New Caledonia (Consul-General, 1986–1987).

[3] He was the Consul-General in New Caledonia from 1986 to 1987 before being declared persona non-grata by the French government after Paris complained that he was too close to the Kanak pro-independence movement.

[3] In 2008, the then Prime Minister of Australia, Kevin Rudd, appointed Dauth as Australian High Commissioner to the United Kingdom, succeeding Richard Alston.

[7] Dauth was appointed Lieutenant of the Royal Victorian Order (LVO) in 1980 for service as Australian Press Secretary to the Queen during the 1980 Royal Visit to Australia,[8] Officer of the Order of Australia (AO) in 2011 for distinguished service to international relations through the advancement of Australia's diplomatic, trade and cultural relationships, particularly with the United Kingdom and New Zealand, and through contributions to the United Nations,[9] and Officer of the Order of the British Empire (OBE) in the 2022 Birthday Honours for voluntary service to the British Red Cross.