Thomas Frederick Bathurst AC KC FRSN (born 17 March 1948), is an England-born Australian jurist who served as Chief Justice of the Supreme Court of New South Wales from 1 June 2011 to 5 March 2022. He has served as Lieutenant-Governor of New South Wales from 1 February 2012 to 5 December 2022.

Thomas Frederick Bathurst was born on St Patrick's Day 1948 in Richmond, Surrey, today part of Greater London. His parents were both Australian – his mother Joan Hartigan was a champion tennis player, while his father Hugh Moxon Bathurst was a public servant who was private secretary to Senator James Fraser when their engagement was announced.^[1] They married at St Mary's Cathedral, Sydney, in April 1947, before flying to Perth to board the Orion for England, where they planned to live for a few years while Joan resumed her tennis career.^[2][3]

In 1950, Bathurst returned to Sydney with his parents on the Strathmore, having spent the first few years of his life in Surrey.^[4] He was educated at Saint Ignatius' College, Riverview and in 1969 graduated from the University of Sydney with a Bachelor of Arts. Bathurst graduated in 1972 with a Bachelor of Laws from the Sydney Law School.^[5]

Bathurst was admitted as a solicitor in New South Wales in 1972 and joined the Sydney city firm of E. J. (Ernest) Kirby & Co. where his mentor was Ann Plotke.^[6]

In 1977, Bathurst was called to the New South Wales Bar; he was made Queen's Counsel in 1987 (which became King's Counsel upon the death of Queen Elizabeth II on 8 September 2022) . His primary areas of practice included appellate work in banking law, commercial law and equity. He was president of the Australian Bar Association from 2008 to 2009, and president of the NSW Bar Association from 2010–11.

Bathurst is married to Robyn; the couple have two daughters, one of whom (at the time of Bathurst's own commission as Chief Justice), Emma, was a solicitor with Mallesons Stephen Jaques on secondment to a refugee organisation.^[9]

In the 2014 Queen's Birthday Honours List, Bathurst was invested as a Companion of the Order of Australia (AC), for "eminent service to the judiciary and to the law, to the development of the legal profession, particularly through the implementation of uniform national rules of conduct, and to the community of New South Wales".^[10] Bathurst was elected Fellow of the Royal Society of New South Wales in 2018.^[11]

In the Spring 2023 honours list, Bathurst was made a member of the Order of the Rising Sun, Gold and Silver Star (Second Class).^[12]