Chambré Brabazon, 5th Earl of Meath PC (I) (c. 1645 – 1 April 1715), styled Hon. Chambré Brabazon from 1652 to 1707, was an Irish nobleman and politician.

He was the third son of Edward Brabazon, 2nd Earl of Meath, and Mary Chambré, daughter of Calcot Chambre, MP for Banbury, Oxfordshire, and Carnowe, County Wicklow, and his first wife, Mary Villiers. He was admitted to Trinity College Dublin, on 10 October 1667.^[1] He was the captain of a troop of horse in Ireland, and was Paymaster of Ireland in 1675. Between 1692 and 1695, he sat in the Irish House of Commons for County Dublin. He succeeded his brother Edward as Earl of Meath in 1707 and took his seat on 8 August 1709 in the Irish House of Lords. Meath was appointed Custos Rotulorum of Dublin in the same year, and named to the Privy Council of Ireland in 1710.

In 1682, he married Juliana Chaworth (d. 12 November 1692), only daughter of Patrick Chaworth, 3rd Viscount Chaworth and Grace Manners, daughter of John Manners, 8th Earl of Rutland. They had seven children:

• Lady Mary Brabazon (1683–1738), buried in St. Mary's Church, Nottingham.
• Lady Juliana Brabazon (1684–1692).
• Lady Catharine Brabazon (1686–1742), married Thomas Hallowes of Bolsover and had issue.
• Chaworth Brabazon, 6th Earl of Meath (1687–1763).
• Lady Frances Brabazon (1688–1751), married Maj-Gen. Hon. Henry Ponsonby (d. 1745, at the Battle of Fontenoy) and had issue.
• Hon. Chambré Brabazon (died young, 1691)
• Edward Brabazon, 7th Earl of Meath (1691–1772)

He died in Nottingham and was buried in St. Mary's Church, Nottingham on 2 April 1715.