Broughton Barnabas O'Conor (1 November 1868 – 2 February 1953) was a politician and barrister in New South Wales, Australia.

He was born at Broughton Creek near Nowra to John O'Conor and Anne Stuart née Connolly.

On 25 April 1901, O'Conor married Icey Britania Johnson and they had two sons.

[2] 66% of the votes at Sherbrooke had been against the Constitution Bill in June 1898,[3] however O'Conor stood as a National Federal Party in support of Federation at the election in July 1898 and was narrowly elected with a margin of 21 votes (1.7%).

[1] He retired at the 1907 state election, and in July 1908 was appointed to the New South Wales Legislative Council, where he served as a Liberal, Nationalist and United Australia Party member.