Sir William Brabazon, 2nd Baronet
Sir William John Brabazon, 2nd Baronet, was an Irish Member of Parliament.
He succeeded as second Baronet, of Newpark in County Mayo, on 3 July 1803. On 24 January 1835 he was elected one of the Members of Parliament for Mayo in the United Kingdom House of Commons, serving until 1840. On his death the baronetcy became extinct.