John Bourke, 2nd Earl of Mayo

John Bourke, 2nd Earl of Mayo (circa 1729 – 20 April 1792) was an Irish politician and peer.
Bourke was the son of John Bourke, 1st Earl of Mayo and Mary Deane, daughter of Joseph Deane. He sat in the Irish House of Commons as the Member of Parliament for Naas between 1763 and 1790. That year he inherited his father's titles and assumed his seat in the Irish House of Lords.
He married Lady Mary Leeson, daughter of Joseph Leeson, 1st Earl of Milltown and Cecilia Leigh, in February 1764. He died without issue.